Series GCSE Maths: Algebra Foundations Lesson 3 of 5

Simultaneous Equations

Mathematics · GCSE · AQA · 9 slides · Not used yet

Solving simultaneous equations by elimination and substitution.

two intersecting straight lines on graph paper

AQA GCSE Maths: find the one pair of values

(x, y)

that satisfies two equations at the same time

Slide 1 of 9

What’s in this lesson

1 Simultaneous Equations Free to read
2 Two Clues, One Answer Free to read
3 Simultaneous Equations Free to read
4 Two Ways to Solve
5 The Elimination Method
6 Working Through Elimination
7 Check Your Understanding
8 Check Your Understanding
9 Solving Two Equations at Once

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The 20th Term Trap

What if I asked you to jump straight to the 20th term of the sequence \(3, 7, 11, 15, \ldots\) — could you find it without listing every number in between?

9 slides

Sequences and the Nth Term

By BA Library

Mathematics · GCSE · AQA

Linear and quadratic sequences, and finding the nth term.

Not used yet

Solving Quadratic Equations

AQA GCSE Maths | Higher & Foundation tiers Learning objective: solve quadratic equations by factorising, using the quadratic formula, and by completing the square.

9 slides