Mathematics 0580 · IGCSE · Equations

Equations — practice question

For the equation $ax^2 + b = 181$, one root is $x = 8$. Both $a$ and $b$ are positive integers greater than 1.

(a)[2]

Determine the value of $b$.

(b)[1]

State the other root of the equation $ax^2 + b = 181$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The value is $53$.” …