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GCSE Maths Revision Simultaneous Equations - Hard
Here's a playlist: ua-cam.com/play/PLPglScc3TJ-M77CRDKdA7LdK-SAC80b0c.html
This video is a simltaneous equation for GCSE maths, and is aimed at around grade 6.
#gcse #formula #algebra #maths #math #revision #tutor #grade6 #substitutionmethod
You can download the worksheet for substitution from 3minutemaths, although please do
- stop the video
- work through the questions
- compare your solutions
I hope the video helps and please do leave a comment - thanks!
Visit @3minutemaths for a full range of quick reminder and GCSE maths walkthrough videos.
Join this channel to get access to get your name mentioned in a maths problem!
ua-cam.com/channels/kFmrzcvKEezKfsR-ISTHgA.htmljoin
HERE’S SOME OF THE LATEST TOPIC VIDEOS (2022 SPECIFICATION):
Please visit 3minutemaths to download the worksheets.
Combined Pythagoras & SohCahToa - GCSE Maths Questions ua-cam.com/video/xlK01ipNb5c/v-deo.html
SohCahToa Trigonometry for Right Angled Triangles ua-cam.com/video/VpSJ8m5nVHA/v-deo.html
Revise Grade 6 GCSE Maths - Calculator Paper 2 ua-cam.com/video/BqLmrg6CVsw/v-deo.html
How to Answer Indices Maths Questions ua-cam.com/video/vgvRWQDBcBw/v-deo.html
Scale Drawings & Map Scales ua-cam.com/video/amd4jtzSTXc/v-deo.html
New videos are being added every week :-)
HERE'S SOME POPULAR PLAYLISTS THAT MIGHT BE USEFUL
Grade 3 ish:
ua-cam.com/play/PLPglScc3TJ-PlUnAmW6qshzFDU01_oaEY.html
Grade 4 ish: ua-cam.com/play/PLPglScc3TJ-MzLwZxDM1rn_rR3ZJKMAB_.html
Grade 5 ish:
ua-cam.com/play/PLPglScc3TJ-P0ujnaCqYHz76bTuFsHvfg.html
Grade 6 ish:
ua-cam.com/play/PLPglScc3TJ-NkSR3I0i2MSI5Umj_CBcra.html
Grade 7 - 9 ish:
ua-cam.com/play/PLPglScc3TJ-N74FojLYpFPcBu3sTu8w5D.html
... AND HERE'S SOME POPULAR TOPIC VIDEOS AIMED AT FOUNDATION / HIGHER CROSSOVER:
How to rearrange a formula with factorising ua-cam.com/video/d_rHJlcOC3k/v-deo.html
Quick reminder - Stratified sampling GCSE maths ua-cam.com/video/XLa4ASzL56w/v-deo.html
Pythagoras - as hard as it gets? ua-cam.com/video/j4x7xT0xojE/v-deo.html
Reverse Percentage - sale price & increased price - GCSE maths grade 5 ish ua-cam.com/video/7tIPhctwEKw/v-deo.html
Higher Paper Walkthroughs:
🚀 Edexcel Higher November 2018 Paper 1 walkthrough - ua-cam.com/play/PLPglScc3TJ-NaUfDX9kua34uI6elzaDmP.html
🎓 Edexcel Higher June 2018 Paper 2 - ua-cam.com/play/PLPglScc3TJ-Pxm6gwFGuzJzWd-0JfB1DX.html
📚 AQA Higher June 2018 Paper 3 - ua-cam.com/play/PLPglScc3TJ-M0anNCckRXOgpwaA2mXZiX.html
Foundation Paper Walkthroughs:
📝 Edexcel Foundation June 2018 Paper 1 - ua-cam.com/play/PLPglScc3TJ-MIlvTKHWYKeOPix0Fc39xP.html
📔 Edexcel Foundation November 2018 paper 2 - ua-cam.com/play/PLPglScc3TJ-OAOr_txwWN-DGEaKK7dh42.html
📓 AQA Foundation Specimen Paper 2 - ua-cam.com/play/PLPglScc3TJ-MMlJousgJBhhC-3Zdp1vFD.html
MOST OF THE VIDEOS & QUESTION PAPERS HAVE BEEN POSTED TO:
🌍 www.3minutemaths.co.uk/
​Visit www.3minutemaths.co.uk for quick reminder High School GCSE mathematics videos - or subscribe to the channel. You can download the questions from www.3minutemaths.co.uk - along with many others aiming to offer quick reminders of the key topics.
My new course ‘How to good at mathematics - and great at fractions! is now live on Udemy: www.udemy.com/how-you-can-be-good-at-maths-and-great-at-fractions/
or click here for a limited 50% discount!:
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The course contains around 3 hours of video, quizzes and a copy of my book 'How to get an A in maths.' All the way through to GCSE and just in time for revision.
‘How to get an A in maths’ is now available on Amazon and packed full of hints, tips and techniques to help you get the very best from your studies. Or, first chapter FREE on my website www.3minutemaths.co.uk - real maths, tips and techniques.
www.3minutemaths.co.uk is full GCSE past papers, questions by topic and hints and tips to help you get the very best from your studies.
Переглядів: 163

Відео

GCSE Maths Revision Bearings GCSE grade 4
Переглядів 5319 годин тому
Here's a link to a playlist on bearings: ua-cam.com/play/PLPglScc3TJ-PFWuVw6I1TaXjKE00BiP9T.html Introducing a new video tutorial on bearings, a fundamental topic in GCSE Maths. In this video, our expert tutor will guide you through a challenging question that involves calculating speed, distance, or time. Here's what you can expect from this comprehensive video tutorial: 1️⃣ Detailed explanati...
Average Speed GCSE maths
Переглядів 105День тому
Here's a playlist with more speed distance time questions: ua-cam.com/play/PLPglScc3TJ-PW_04S2pQUPN8vmRMla0GU.html This video is an average speed GCSE maths question and is aimed at around grade 4. Aqdas drives 350km at an average speed of 75km/h. What is the time taken for Aqdas’s journey? Give your answer in hours and minutes. #gcse #formula #algebra #maths #math #revision #tutor #grade4 #spe...
GCSE Maths Revision - Algebra Fraction
Переглядів 3893 місяці тому
Aimed at around Grade 6 GCSE maths, this is a quick walkthrough of an algebraic fraction involving substitution. #gcse #formula #algebra #maths #math #revision #tutor #grade7 #substitutionmethod You can download the worksheet for substitution from 3minutemaths, although please do - stop the video - work through the questions - compare your solutions I hope the video helps and please do leave a ...
GCSE Maths Revision: Speed, Distance, Time Problems
Переглядів 1,1 тис.Рік тому
Introducing a new video tutorial on speed, distance, and time, a fundamental topic in GCSE Maths. In this video, our expert tutor will guide you through a challenging question that involves calculating speed, distance, or time. Here's what you can expect from this comprehensive video tutorial: 1️⃣ Detailed explanations of the key concepts and formulas related to speed, distance, and time, so yo...
GCSE Maths Revision: The Product Rule For Counting
Переглядів 394Рік тому
Introducing a new video tutorial on the product rule for counting. In this video, our expert tutor will guide you through a challenging question that involves applying the product rule to count the number of outcomes in various scenarios. Here's what you can expect from this comprehensive video tutorial: 1️⃣ A detailed, step-by-step solution to a difficult question on the product rule for count...
GCSE Maths 2023 Revision Algebraic Proof
Переглядів 501Рік тому
Introducing a new video tutorial on algebraic proof, an essential topic in GCSE Maths. In this video, our expert tutors will guide you through a challenging question that involves constructing algebraic proofs. Here's what you can expect from this comprehensive video tutorial: 1️⃣ A detailed, step-by-step solution to a difficult question on algebraic proof. 2️⃣ Clear explanations of the key con...
GCSE Maths 2023 Revision Area of a Chord Minor Segment
Переглядів 448Рік тому
Introducing a new video tutorial on finding the area of a chord minor segment, a topic often encountered in GCSE Maths exams. In this video, our expert tutors will guide you through a challenging question that involves calculating the area of a chord minor segment. Here's what you can expect from this comprehensive video tutorial: 1️⃣ A detailed, step-by-step solution to a challenging question ...
GCSE Maths 2023 Revision Simultaneous Equations - Hard
Переглядів 518Рік тому
Introducing a new video tutorial on solving simultaneous equations, a fundamental topic in GCSE Maths. In this video, our expert tutors will guide you through a challenging simultaneous equation question that is predicted to be one of the toughest on the exam. Here's the question: Solve algebraically y = x 3 (x - 3)^2 y^2 = 50 You must show your working. (4 marks) Here's what you can expect fro...
GCSE Maths 2023 Revision Turning Point - Hard
Переглядів 624Рік тому
Introducing a new video tutorial on identifying the turning point of a quadratic graph, designed to help students prepare for the 2023 GCSE Maths exam. In this video, our expert tutors will guide you through a complex turning point question that is anticipated to be one of the most difficult on the exam. Here's the question: The equation of the curve is y = x^2 ax b where a and b are integers. ...
GCSE Maths 2023 Revision Probability Equations - Hard
Переглядів 623Рік тому
Introducing a new video tutorial on mastering probability equations, designed to help students prepare for the 2023 GCSE Maths exam. In this video, our expert tutor will guide you through a challenging probability equation that is predicted to be one of the hardest on the exam. Here's the question: There are only green pens and blue pens in a box. There are three more blue pens than green pens ...
GCSE Maths 2023 Revision Cone Sector Angle - Hard
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Introducing a new video tutorial on working with cones, designed to help students prepare for the 2023 GCSE Maths exam. In this video, our expert tutors will guide you through a challenging cone question that is predicted to be one of the hardest on the exam. Here's the question: The diagram shows a sector OACB of a circle with centre O. (5 marks) The point C is the midpoint of the arc AB. The ...
GCSE Maths 2023 Revision Factorising - Hard
Переглядів 3,4 тис.Рік тому
Introducing a new video tutorial on factorising, designed to help students prepare for the 2023 GCSE Maths exam. In this video, our expert tutors will guide you through a challenging factorising question that is predicted to be one of the hardest on the exam. Here's the question: 6x^2 = 7xy 20y^2 where x ˃ 0 and y ˃ 0 Find the ratio x : y (4 marks) Here's what you can expect from this comprehen...
GCSE Maths 2023 Revision Area of a Hexagon - Hard
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Introducing a new video tutorial on solving a difficult area of a hexagon, designed to help students prepare for the 2023 GCSE Maths exam. In this video, our expert tutors will guide you through a challenging area of a hexagon question that is predicted to be one of the hardest on the exam. Here's what you can expect from this comprehensive video tutorial: 1️⃣ A detailed, step-by-step solution ...
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2023 Maths Hard Revision Higher Edexcel June 2020 P1 Q22 - 23

КОМЕНТАРІ

  • @BIGblackMonkeyss
    @BIGblackMonkeyss 2 години тому

    Thanks helped a lot 😁✅

  • @typhoon8964
    @typhoon8964 21 годину тому

    this guy's so adorable

  • @scotlzngd4498
    @scotlzngd4498 4 дні тому

    Tysm

    • @3minutemaths
      @3minutemaths 4 дні тому

      Very welcome and glad to help - all best S :-)

  • @Kyraalgateley
    @Kyraalgateley 5 днів тому

    I dont get the 1/2 ab part I rewached the ab part and completely missed the halfing part thank you!

    • @3minutemaths
      @3minutemaths 3 дні тому

      Glad to help and all very best S :-)

  • @yungturks4825
    @yungturks4825 7 днів тому

    25 mine before my test

    • @3minutemaths
      @3minutemaths 7 днів тому

      Hope it goes well! All best S :-)

  • @Ahrong05
    @Ahrong05 8 днів тому

    Hi, u just worked out to be +25. How did it turn out to be -25 ?

    • @3minutemaths
      @3minutemaths 7 днів тому

      Hi - around 1.31 … when I expanded the brackets I got +25, and needed to get rid of it. The -25 cancelled out. Hope that’s OK and all best S :-)

  • @ryanmcghee1553
    @ryanmcghee1553 9 днів тому

    you are a beautiful man

  • @sullyoonkika
    @sullyoonkika 9 днів тому

    THANK YOU SO MUCH OH MY GOD LAST EXAM I COULDNT FOCUS BC OF THE BOY NEXT TO ME AND I GOT TOO OVERSTIMULATED TO ANSWER ONEOF THESE QUESTIONS BUT YOUVE MADE IT SO MUCH EASIER I LOVE YOU

    • @3minutemaths
      @3minutemaths 8 днів тому

      Lol Glad to help and all very best S :-)

  • @MercyJoy-pk9fs
    @MercyJoy-pk9fs 9 днів тому

    I hope someone can reply to this. Please for the 2nd example uhm why is only 15 the highest factor

    • @3minutemaths
      @3minutemaths 8 днів тому

      Hi - 4.09 - 15 is the largest number that will divide into both 15 and 45. Best S :-)

  • @zaraEdin
    @zaraEdin 11 днів тому

    YES , HE IS BACK 🎉🎉👏🥰

    • @3minutemaths
      @3minutemaths 10 днів тому

      Definitely! and thank you for your comment - made my day!

  • @sigmamate8
    @sigmamate8 12 днів тому

    yay he is back again 😆😆

    • @3minutemaths
      @3minutemaths 12 днів тому

      Thank you - really made my day!!!

    • @sigmamate8
      @sigmamate8 12 днів тому

      @@3minutemaths 😁😁😁

  • @grey2753
    @grey2753 13 днів тому

    HES BACK!!!

    • @3minutemaths
      @3minutemaths 12 днів тому

      😂 just made my day! Glad to be back :-)

  • @racquelsabesaje4562
    @racquelsabesaje4562 14 днів тому

    42 cm3

  • @racquelsabesaje4562
    @racquelsabesaje4562 14 днів тому

    6 cm2 x 7 cm =42 cm3

  • @racquelsabesaje4562
    @racquelsabesaje4562 14 днів тому

    7x3=21 21+21= 42 cm3

  • @racquelsabesaje4562
    @racquelsabesaje4562 14 днів тому

    1/2 3 x4= 12/2= 6 6 cm2

  • @racquelsabesaje4562
    @racquelsabesaje4562 14 днів тому

    a=1/2 wh

    • @3minutemaths
      @3minutemaths 13 днів тому

      Yes … but only for the area of the triangle - you’ll need to multiply by the depth to get the volume. All best S

  • @racquelsabesaje4562
    @racquelsabesaje4562 14 днів тому

    3 cm 4 cm 7 cm

  • @racquelsabesaje4562
    @racquelsabesaje4562 14 днів тому

    math

  • @PoohBear-mq8dl
    @PoohBear-mq8dl 15 днів тому

    legend, thx so much

    • @3minutemaths
      @3minutemaths 14 днів тому

      Very welcome and glad to help - all best S :-)

  • @blaze_eu9035
    @blaze_eu9035 16 днів тому

    Thanks🙏

    • @3minutemaths
      @3minutemaths 15 днів тому

      Very welcome and glad to help - all best S :-)

  • @VaaigasinaKiTuifua
    @VaaigasinaKiTuifua 17 днів тому

    can you do (x-7) (x-3) plss

    • @3minutemaths
      @3minutemaths 16 днів тому

      Hi - be careful with the two negatives as, when multiplied together, you'll get a positive ... When multiplied out you should get: x^2 -10x + 21 All best S :-)

  • @yannesswong7256
    @yannesswong7256 22 дні тому

    Only one comment😂 good vid

    • @3minutemaths
      @3minutemaths 21 день тому

      Glad to help and all very best S :-)

  • @scp_dr_lance711
    @scp_dr_lance711 23 дні тому

    This really helped (aside from the lack of self esteem at having done the wrong equation for 3+ hours). However I have one question. What happens with the 20 at the end? Is that just -2.0 for the y-intercept?

    • @3minutemaths
      @3minutemaths 22 дні тому

      Hi - glad the video helped. The -20 at the end is the yintercept, so the full equation of the line is y = 6x - 20. All best S

  • @InitialiseDisk
    @InitialiseDisk 23 дні тому

    Thank you so much! Didn’t listen in the lesson and learnt it in 3 mins. Thank you so much!

    • @3minutemaths
      @3minutemaths 23 дні тому

      Very welcome and glad to help - all best S :-)

  • @Alinkbroughtyouhere
    @Alinkbroughtyouhere 23 дні тому

    I love this so much

    • @3minutemaths
      @3minutemaths 23 дні тому

      Very welcome and glad to help - all best S :-)

  • @andrewmerritt9113
    @andrewmerritt9113 24 дні тому

    Very helpful as I have my maths GCSE tomorrow

  • @FatahMidoun
    @FatahMidoun 24 дні тому

    THX BRO very very helpfull

  • @Charxoxo_lolipop
    @Charxoxo_lolipop 25 днів тому

    Thank you so much❤❤

  • @nadine292
    @nadine292 28 днів тому

    Using this before my exam I’ll update the mark when I get the results back

    • @3minutemaths
      @3minutemaths 28 днів тому

      All very best with your exams! S :-)

  • @uniteddestroyer1636
    @uniteddestroyer1636 28 днів тому

    Thanks mate

    • @3minutemaths
      @3minutemaths 28 днів тому

      Glad to help and all very best S :-)

  • @user-ul6nt6px5q
    @user-ul6nt6px5q 29 днів тому

    How that AC=PQ how to prove that

    • @3minutemaths
      @3minutemaths 28 днів тому

      Hi - as they are congruent parallelograms, you wouldn’t need to add any proof that AC = PQ with this question. All best S :-)

    • @user-ul6nt6px5q
      @user-ul6nt6px5q 28 днів тому

      @@3minutemaths Thank you a bunch SIR

  • @user-ul6nt6px5q
    @user-ul6nt6px5q 29 днів тому

    Great work 👏 with great explaining KEEP UP THE GOOD WORK GENIUS❤

    • @3minutemaths
      @3minutemaths 28 днів тому

      Glad to help and all very best S :-)

  • @sigmamate8
    @sigmamate8 Місяць тому

    Your a lifesaver, literally needed this as paper 2 is tomorrow

    • @3minutemaths
      @3minutemaths Місяць тому

      Glad to help and all best for tomorrow! S :-)

  • @annie-kj7ls
    @annie-kj7ls Місяць тому

    thank you these videos are always explained so well !

    • @3minutemaths
      @3minutemaths Місяць тому

      That’s great and glad to help - all best S :-)

    • @annie-kj7ls
      @annie-kj7ls Місяць тому

      @@3minutemaths thank you !

  • @yly3062
    @yly3062 Місяць тому

    Very good

    • @3minutemaths
      @3minutemaths Місяць тому

      Very welcome and glad to help - all best S :-)

  • @Penelope-yl8ck
    @Penelope-yl8ck Місяць тому

    2024 anyone?

    • @3minutemaths
      @3minutemaths Місяць тому

      Hope it went well! Best S :-)

  • @Cookie-kc5wp
    @Cookie-kc5wp Місяць тому

    thank you sooo much new sub :)

    • @3minutemaths
      @3minutemaths Місяць тому

      That’s great - thank you! Glad to help :-)

  • @user-pg5zi3rp2m
    @user-pg5zi3rp2m Місяць тому

    watching this 10 years later still helps me

    • @3minutemaths
      @3minutemaths Місяць тому

      That’s great and very glad to help! All best S :-)

  • @mohamedubaidakhtar6859
    @mohamedubaidakhtar6859 Місяць тому

    In the first case, since base x height is the area of a square and the area of a right angled triangle is half of an area of a square then for the first case will be one forth of an area of a square.

  • @channelI748
    @channelI748 Місяць тому

    Do I need to simplify my Ratios? When it doesn't say simplify?

    • @3minutemaths
      @3minutemaths Місяць тому

      Hi - no I wouldn’t be concerned unless the questions specifically ask you. All very best with your exams S :-)

  • @AbuBaker-yl9pe
    @AbuBaker-yl9pe Місяць тому

    Oh ok thank u

    • @3minutemaths
      @3minutemaths Місяць тому

      Glad to help and all very best S :-)

  • @Lucasmb637
    @Lucasmb637 Місяць тому

    what a master class of a video bro is getting a honourable mention in the academic comback

  • @yes7648
    @yes7648 Місяць тому

    thank you so much i have a math test tomorrow and i forgot what this junk was

    • @3minutemaths
      @3minutemaths Місяць тому

      Hi - very glad to help - and wishing you every success with the test tomorrow! :-)

    • @foavy
      @foavy Місяць тому

      Same😂

  • @masonix_angel_morningstar7891
    @masonix_angel_morningstar7891 Місяць тому

    Love your voice and accent

  • @lucreatiagovender1791
    @lucreatiagovender1791 Місяць тому

    How do I work out the power 3 on a calculator?

    • @3minutemaths
      @3minutemaths Місяць тому

      Hi - on a scientific calculator there should be a button that shows an index. It’s a bit difficult to explain just with text, and depends on what make of calculate you have. Might be better to see if you can find a manufacturers video. Best S

  • @AbuBaker-yl9pe
    @AbuBaker-yl9pe Місяць тому

    Can u not do this equation like a function machine if u know wt I mean

    • @3minutemaths
      @3minutemaths Місяць тому

      Hi - possibly… but it might be a little tricky with n top and bottom of the fraction. All best S :-)

    • @AbuBaker-yl9pe
      @AbuBaker-yl9pe Місяць тому

      Do u do all exam boards or just one coz I wanna make sure I'm watching the right video thank you.

    • @3minutemaths
      @3minutemaths Місяць тому

      Hi - yes this kind of question can appear on any of the exam boardsincluding Edexcel, AQA and OCR. Every success with your exams :-)

  • @haertyi
    @haertyi Місяць тому

    0:57 At this point you can also cross-multiply! multiply k with (n+1) and k has an invisible denominator 1 which will be multiplied with (3n+2). I find this easier to understand but do what works for you!

    • @3minutemaths
      @3minutemaths Місяць тому

      Hi - no worries and hope the video helped. All best S :-)

  • @musicalized7117
    @musicalized7117 Місяць тому

    Thank you so much, i was struggling to find the difference in the symbols !

    • @3minutemaths
      @3minutemaths Місяць тому

      Glad to help and all very best S :-)

  • @RR-bq7tm
    @RR-bq7tm Місяць тому

    😢 thanks