1) An equation which combines variables with an equal sign is a a) value b) statement c) formulae d) operations 2) In which of the following, is E the subject of the formula? a) E = L ⁄ 5E b) E = mc2 c) 2E = bh d) E2 = u2 + 2as 3) (m + n)2 can be expressed as a) m + n2 b) m2 + n2 c) 2 (m + n) d) (m + n) (m + n) 4) A rectangle is r cm long, s cm wide and has an area of P cm2. Express P in terms of r and s. a) P = rs b) P = 2rs c) P = r ∕ s d) P = (rs)2 5) State p, as the subject of formula t=1/p 2 a) 1=tp 2 b) t=p  c) p=√(1/t) d) p=t 2 6) Given that x = 5 and y = ½, hence 3x2 − 2xy = a) 25 b) 70 c) 55 d) 85 7) The area, A of trapezium ABCD is given by the formula A = ½ h (a + b).Which of the following is true? a) h is the length of AB b) a is the length of AB c) h is the length of DC d) b is the length of DC 8) Which of the following is the variable?w = p a) Total number of days in August. b) Total number of side of a square. c) The number of hours in a day. d) Number of students in a school bus everyday 9) (2p + 3q)(p − 6q) a) 2p + 3q + p − 6q b) 2p2 − 12pq + p − 6q c) 2p + 3pq − 18q2 d) 2p2 − 12pq + 3pq − 18q2 10) Which of the following is true? a) (a-b)2 = a2 - b2 b) (a - b)2 = a2 - 2ab - b2 c) (a + b)2 = a2 + 2ab + b2 d) (a + b) (a - b) = a2 - 2ab + b2

Mathematics Form 2 - Algebraic Formulae

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