CSEC Additional Mathematics · 2012 · Paper 2
37 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- 1(a)(i)1 markDetermine the composition function g(f(x)).
- 1(a)(ii)1 markState the range of g(f(x)).
- 1(a)(iii)2 marksDetermine the inverse of g(f(x)).
- 1(b)2 marksIf x + 2 is a factor of f(x) = 2x³ - 3x² - 4x + a, find the value of a.
- 1(c)5 marksSolve the equation 3^(2x) – 9(3^(-2x)) = 8.
- 1(d)(i)2 marksExpress x³ = 10^(-3) in the form log₁₀x = ax + b.
- 1(d)(ii)1 markHence, state the value of the gradient of a graph of log₁₀x versus x.
- 2(a)5 marksCalculate the value of α² + β².
- 2(b)4 marksFind the range of values of x for which (2x - 5) / (3x + 1) > 0.
- 2(c)5 marksCalculate the TOTAL amount of money repaid at the end of the 24th month.
- 3(a)(i)3 marksA line has equation x + y + 1 = 0. Show that this line passes through the centre of the circle.
- 3(a)(ii)4 marksFind the equation of the tangent to the circle at the point A (-6, 3).
- 3(b)(i)2 marksWrite BP in terms of a and b.
- 3(b)(ii)3 marksFind |BP|.
- 4(a)(i)5 marksCalculate, giving your answer in terms of π, the area of the shape OACMN.
- 4(a)(ii)5 marksCalculate, giving your answer in terms of π, the perimeter of the shape OACMN.
- 4(b)3 marksEvaluate without using calculators, the exact value of cos(7π/12).
- 4(c)4 marksProve the identity 1 / (sec θ + tan θ) = (1 - sin θ) / cos θ.
- 5(a)4 marksDifferentiate the following expression with respect to x, simplifying your answer: (3x + 4) / (x - 2).
- 5(b)(i)5 marksFind equations for the tangent to the curve at P.
- 5(b)(ii)5 marksFind equations for the normal to the curve at P.
- 5(c)5 marksFind the rate of increase of the area when the length of the side is 5 cm.
- 6(a)4 marksEvaluate ∫₁² (16 - 7x)³ dx.
- 6(b)3 marksDetermine the equation of the curve.
- 6(c)3 marksCalculate the area between the curve y = 2 cos x + 3 sin x and the x-axis from x = 0 to π/3.
- 6(d)4 marksCalculate the volume of the solid formed when the area enclosed by the curve y = x² + 2 and the x-axis, from x = 0 to x = 3, is rotated through 360° about the x-axis. [Leave your solution in terms of π].
- 7(a)4 marksDetermine the proportion that own NEITHER a laptop NOR a desktop computer.
- 7(b)(i)3 marksFind the probability that the marbles drawn are ALL of the SAME colour.
- 7(b)(ii)3 marksFind the probability that the marbles drawn contain EXACTLY 1 red marble.
- 7(c)(i)3 marksIllustrate this information on a tree diagram showing the probability on all branches.
- 7(c)(ii)a)3 marksA garage is chosen at random, determine the probability that the taxi will arrive late.
- 7(c)(ii)b)4 marksA garage is chosen at random, determine the probability that the taxi will come from garage C given that it is late.
- 8(a)(i)3 marksUsing the graph sheet provided, draw a velocity-time graph to illustrate the motion of the car.
- 8(a)(ii)3 marksDetermine the TOTAL distance travelled by the car.
- 8(a)(iii)4 marksCalculate the length of time after the first car started that this second car meets it.
- 8(b)(i)5 marksDetermine its velocity when t = 4.
- 8(b)(ii)5 marksDetermine its displacement from O when t = 3.