Mathematics 4024 · O Level · Equations

Equations — practice question

(a)[2]

Solve the equation $\frac{6}{x+1} = \frac{5}{x-3}$.

(b(i))[1]

With $f(x) = x - 3$ and $g(x) = x^2 + 1$, find $f(-5)$.

(b(ii))[3]

With $f(x) = x - 3$ and $g(x) = x^2 + 1$, determine $m$ when $g(m - 3) = 17$.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The answer is $23$.” …