Expansion, factorisation and change of subject

Question 1 of 10

Given v² = u² + 2as, (a) make s the subject of the formula. (b) Find s when v = 8, u = 4 and a = 2. (c) Make u the subject.

Question 2 of 10

Factorise 2x² + 15x + 18.

A. (2x − 3)(x − 6) B. (x + 18)(x + 2) C. (2x + 4)(x + 5) D. (2x + 3)(x + 6)

Question 3 of 10

Make h the subject of V = ⅓πr²h.

A. h = 3V/(πr²) B. h = V/(3πr²) C. h = 3Vπr² D. h = V − 3πr²

Question 4 of 10

Expand (x + 7)(x + 2).

A. x² + 14 B. x² + 9x + 14 C. x² − 9x + 14 D. x² + 9x − 14

Question 5 of 10

Expand (x − 6)(x + 1).

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

Question 6 of 10

Expand (2x − 5)(x − 5).

A. 2x² + 25 B. 2x² − 10x + 25 C. 2x² − 15x + 25 D. 2x² + 15x + 25

Question 7 of 10

Make u the subject of v = u + at.

A. u = v + at B. u = at − v C. u = v − at D. u = v/at

Question 8 of 10

Given v² = u² + 2as, (a) make s the subject of the formula. (b) Find s when v = 24, u = 6 and a = 6. (c) Make u the subject.

Question 9 of 10

Expand (3x + 1)(x − 6).

A. 3x² − 6 B. 3x² − 17x − 6 C. 3x² − 5x − 6 D. 3x² + 17x − 6

Question 10 of 10

Expand (3x + 5)(x − 5).

A. 3x² − 25 B. 3x² + 10x − 25 C. 3x² − 10x + 25 D. 3x² − 10x − 25

Score so far

0 / 0

Answered0 / 10

1 2 3 4 5 6 7 8 9 10

New set of questions

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.

Past questions, worked solutions and curriculum-mapped study material for JHS and SHS students and teachers in Ghana.

Learn

About