Mathematics 4024 · O Level · Inequalities

Inequalities — practice question

The numbers in the list are $-8, -5, -3, -2, 0, 2, 4, 9$.

(a)[1]

State two numbers from the list whose difference is $10$.

(b)[1]

Calculate the sum of the numbers in the list.

(c)[1]

You are given $-4 \leq 2x \leq 7$. Write down every number from the list that satisfies this inequality.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct pair $-8$ and $2$” …