Mathematics

Question 1

1Simplify 3a + 2b − a + 5b.

Easy

A. 2a + 3b B. 4a + 7b C. 2a + 7b D. 9ab

Question 2

2Factorise x² − 9.

Easy

A. (x − 9)(x + 1) B. (x − 3)² C. (x − 3)(x + 3) D. x(x − 9)

Question 3

3Solve 5x − 7 = 18.

Easy

A. −5 B. 5 C. 25 D. 2.2

Question 4

4Solve 4x + 1 = 21.

Easy

A. 6 B. 4 C. 5 D. 20

Question 5

5Solve 5x − 3 = 17.

Easy

A. 4 B. 14 C. 2.8 D. 20

Question 6

6Expand 3(2x − 5).

Easy

A. 6x − 5 B. 6x + 15 C. 6x − 15 D. 5x − 15

Question 7

7Expand 4(2x − 3).

Easy

A. 8x − 3 B. 6x − 7 C. 8x − 12 D. 8x + 12

Question 8

8Solve the inequality 2x + 3 > 11.

Easy

A. x > 7 B. x > 4 C. x < 7 D. x < 4

Question 9

9Solve 3x − 4 = 2x + 5.

Easy

A. 1 B. −9 C. 5 D. 9

Question 10

10Factorise 4x + 12.

Easy

A. 2(x + 6) B. 4(x + 12) C. 4(x + 3) D. x(4 + 12)