22) = 3 sin 0 < 360 1 f(x) x °, x ≤ (a) Find f(270). (b) = 0·6. f(t) Find the two possible values of 4 t. 23) Triangles PQR and STU are mathematically similar. The scale factor is 3 and PR corresponds to SU. 2 (a) Show that 6x + 5 = 0. x2 – (b) Given QR is the shortest side of triangle PQR, find the value of 3 x. 24) Olga normally runs a total distance of 28 miles per week. She decides to increase her distance by 10% a week for the next four How many miles will she run in the fourth week? 3 25) Solve the equation 2x2 + 3x 7 = 0. – Give your answers correct to 2 significant figures. 4 26) A car is valued at £3780. This is 16% less than last year’s value. What was the value of the car last year? 3 27) A spiral staircase is being designed. 4
22) f(x) = 3 sin x °, 0 ≤ x < 360 (a) Find f(270). (b) f(t) = 0·6. Find the two possible values of t. 1 4 23) Triangles PQR and STU are mathematically similar. The scale factor is 3 and PR corresponds to SU. (a) Show that x2 – 6x + 5 = 0. (b) Given QR is the shortest side of triangle PQR, find the value of x. 2 3 24) Olga normally runs a total distance of 28 miles per week. She decides to increase her distance by 10% a week for the next four How many miles will she run in the fourth week? 3 25) Solve the equation 2x2 + 3x – 7 = 0. Give your answers correct to 2 significant figures. 4 26) A car is valued at £3780. This is 16% less than last year’s value. What was the value of the car last year? 3 27) A spiral staircase is being designed. 4
N5-Maths-Exam-Revision-Booklet-1.docx