Mathematics

Question 1

1Expand (x + 2)(x + 3).

Easy

A. x² + 5x + 5 B. 2x + 5 C. x² + 5x + 6 D. x² + 6x + 5

Question 2

2Factorise x² − 10x + 24.

Hard

A. (x + 4)(x + 6) B. (x + 24)(x + 1) C. (x − 10)(x − 4) D. (x − 4)(x − 6)

Question 3

3Factorising is the reverse of expanding.

Easy

A. True B. False

Question 4

4Expand (x − 1)(x − 1).

Medium

A. x² − 2x + 1 B. x² + x − 2 C. x² + 1 D. x² − 2x − 1

Question 5

5(a − b)(a + b) = a² − b².

Medium

A. True B. False

Question 6

6Factorise 2xy + 6x.

Medium

A. 6x(y + 1) B. 2x(y + 3) C. 2(xy + 3) D. x(2y + 6x)

Question 7

7Expand (x + 4)(x − 3).

Medium

A. x² + 7x − 12 B. x² + x + 12 C. x² + x − 12 D. x² − 12x + 1

Question 8

8When (x + 1)(x + 4) is expanded, the constant term is ___.

Easy

Your answer (fill in the blank)

Question 9

95a + 10 factorises to 5(a + 10).

Easy

A. True B. False

Question 10

10Factorise ax + ay + bx + by.

Hard

A. (a + b)(x + y) B. (a + x)(b + y) C. ab(x + y) D. a(x + y) + b