Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[3]

Solve the equation $30 + 2x = 3(3 - 4x)$.

(b)[2]

Factorise the expression $12ab^3 + 18a^3b^2$.

(c(i))[2]

Simplify the product $5a^3c^2 \times 2a^2c^7$.

(c(ii))[2]

Simplify the expression $\left(\frac{16a^8}{c^{12}}\right)^{\frac{3}{4}}$.

(d)[3]

Find the value of $y$ when $x = 8$.

(e)[3]

Write $\frac{5}{x-2} - \frac{x-5}{2}$ as a single fraction in its simplest form.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: The answer is $-1.5$.

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