Cambridge O Level Mathematics: Algebra (4024)

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Course content

90 lessons

2.1 · Introduction to algebra

0/8

2.2 · Expanding and simplifying

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2.2 · Factorising and completing the square

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2.3 · Algebraic fractions

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2.4 · Indices II

0/8

2.5 · Linear equations

0/10

2.5 · Simultaneous linear equations

0/8

2.5 · Quadratic equations

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Solving quadratic equations by factorisation

Preview12m

Solving quadratic equations: rearranging to equal zero first

Preview11m

Solving quadratic equations by completing the square

12m

Solving quadratic equations with the quadratic formula

13m

Quadratic equations: solutions in surd form

11m

Constructing and solving quadratic equations

13m

Fractional equations that lead to quadratic equations

13m

Quadratic equations: practice

12m

Quadratic equations: exam practice

15m

Quadratic equations: summary

2.5 · Changing the subject of formulas

0/7

2.6 · Inequalities

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2.5 · Quadratic equationsLesson 3 of 10

Solving quadratic equations by completing the square

Write it as (x + p)² = q, then take the square root of both sides, plus or minus.

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