CSEC Mathematics · May/June 2008 · Paper 2
77 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)4 marksUsing a calculator or otherwise, calculate the exact value of 2 1/5 - 1 1/3 / 1 5/8, giving your answer as a fraction in its lowest terms.
- 1(b)(i)1 markCalculate his annual salary.
- 1(b)(ii)2 marksCalculate Mr. Allen's TOTAL allowances for 2007.
- 1(b)(iii)3 marksCalculate Mr. Allen's income tax for 2007.
- 1(b)(iv)2 marksWhat percentage of Mr. Allen's annual salary was paid in income tax?
- 2(a)2 marksSimplify completely: (3a - 1)^2.
- 2(b)3 marksMake p the subject of the formula q = 5 / (3 + p).
- 2(c)(i)1 markFactorize completely 3mn - 6n^2.
- 2(c)(ii)2 marksFactorize completely 25p^2 - q^2.
- 2(d)4 marksSolve the following simultaneous equations: 3x - 2y = 19 and 2x + 3y = 4.
- 3(a)(i)2 marksList the members of the set a) G ∩ H b) G ∪ H'.
- 3(a)(ii)1 markDetermine the value of n(G ∪ H).
- 3(a)(iii)3 marksDescribe in words a) the Universal set U b) the set H.
- 4(a)2 marksCalculate the area of triangle ABC.
- 4(b)3 marksCalculate the length of the edge CD.
- 4(b)(i)5 marksUse a ruler and a protractor to draw accurately the quadrilateral PQRS shown below. PQ = 8 cm, QR = 4 cm, PS = 6.5 cm, angle PQR = 125° and angle QPS = 70°.
- 4(b)(ii)1 markMeasure and state the length of RS.
- 4(c)2 marksCalculate, to one decimal place, the length of the edge AC.
- 4(d)3 marksState the number of faces, edges, and vertices of the prism.
- 5(a)1 markDraw the line x = 4.
- 5(b)3 marksDraw the image of triangle LMN after a reflection in the line x = 4 and label the image L'M'N'.
- 5(c)(i)2 marksDraw the triangle L''M''N''.
- 5(c)(ii)4 marksDescribe completely the transformation which maps triangle LMN onto triangle L''M''N''.
- 5(d)2 marksCalculate the value of Area of triangle L''M''N'' / Area of triangle LMN.
- 6(a)6 marksUsing a scale of 4 cm to represent one million persons on the vertical axis and 2 cm to represent five years on the horizontal axis, draw a line-graph to represent the population from 1980 to 2005. Start your horizontal…
- 6(b)2 marksOn your graph, show how to estimate the population of the country in 1998. Write your estimated value.
- 6(c)(i)1 markDuring which five-year period was there the greatest increase in population?
- 6(c)(ii)1 markDuring which five-year period was there the smallest increase in population?
- 6(d)1 markExplain how the two facts about the population, (c) (i) and (c) (ii), are shown on your graph.
- 7(a)4 marksA line segment connects the points A (1,8) and B (j, k). If the mid-point of AB is (4, 5), calculate the values of j and k.
- 7(b)(i)1 markCalculate f(0).
- 7(b)(ii)1 markCalculate g(2).
- 7(b)(iii)2 marksCalculate f^(-1)(x).
- 7(b)(iv)3 marksCalculate the value of x if fg(x) = 1.
- 8(a)2 marksSketch the geometrical pattern whose side is 5 cm long.
- 8(b)(i)3 marksComplete the table for the geometrical pattern whose side is 6 cm long.
- 8(b)(ii)2 marksComplete the table for the geometrical pattern whose side is 20 cm long.
- 8(c)3 marksHence, complete the table for the geometrical pattern whose side is n cm long.
- 9(a)4 marksSolve the pair of simultaneous equations y = x^2 - 3x - 12 and y = 2x - 16.
- 9(b)(i)3 marksExpress y = x^2 - 3x - 12 in the form y = (x - h)^2 + k, where h and k are constants.
- 9(b)(ii)2 marksHence determine the minimum value of the function y = x^2 - 3x - 12.
- 9(b)(iii)3 marksCalculate, correct to one decimal place, the roots of the equation x^2 - 3x - 12 = 0.
- 9(c)(i)1 markSketch the graph of y = x^2 - 3x - 12, showing clearly: the value of x where the function is a minimum.
- 9(c)(ii)2 marksSketch the graph of y = x^2 - 3x - 12, showing clearly: the x-intercepts.
- 10(a)3 marksCopy and complete the table below for the function y = 20 / x^2 for 2 ≤ x ≤ 7.
- 10(b)(i)4 marksUsing a scale of 2 cm to represent 1 unit on both axes, plot the points whose x and y values are given in the table at (a).
- 10(b)(ii)1 markDraw a smooth curve through the points.
- 10(c)(i)1 markUse your graph to estimate the value of y when x = 4.5.
- 10(c)(ii)2 marksUse your graph to estimate the value of x when y = 3.5.
- 10(d)4 marksDraw the tangent to the curve at the point (3, 2.2) as accurately as possible. Hence, estimate the gradient of the curve at the point (3, 2.2). [Show clearly on your graph how the estimates at (c) (i), (ii) and (d) were…
- 11(a)1 markCopy and label the diagram.
- 11(b)4 marksOn your diagram, show the point, Q, such that the bearing of Q from R is 033° and the bearing of S from Q is 118°. (Clearly show both bearings on your diagram.)
- 11(c)(i)1 markState the size of ∠QRS.
- 11(c)(ii)1 markState the size of ∠RQS.
- 11(c)(iii)1 markState the size of ∠QST.
- 11(d)(i)2 marksCalculate, correct to the nearest kilometre, the distance QS.
- 11(d)(ii)2 marksCalculate, correct to the nearest kilometre, the distance QT.
- 11(e)3 marksCalculate the bearing of Q from S.
- 12(a)(i)2 marksCalculate, stating reasons for your answers, the size of the following angles: KLN.
- 12(a)(ii)3 marksCalculate, stating reasons for your answers, the size of the following angles: NKL.
- 12(a)(iii)2 marksCalculate, stating reasons for your answers, the size of the following angles: LMN.
- 12(b)(i)3 marksCopy the diagram and a) label the arc which represents 25°W b) draw an arc to represent the circle of latitude 60°N.
- 12(b)(ii)2 marksOn your diagram, show the points a) R (60°N, 25°W) b) T (60°N, 40°E).
- 12(b)(iii)3 marksCalculate to the nearest kilometre, the distance from R to T measured along the circle of latitude 60°N.
- 13(a)(i)1 markWrite the following position vectors in the form (x y): OA.
- 13(a)(ii)1 markWrite the following position vectors in the form (x y): OB.
- 13(a)(iii)1 markWrite the following position vectors in the form (x y): OC.
- 13(b)(i)2 marksWrite as a column vector, in the form (x y): BA.
- 13(b)(ii)2 marksWrite as a column vector, in the form (x y): AC in terms of p.
- 13(c)3 marksCalculate the values of p for which |AC| = 10.
- 13(d)5 marksUsing a vector method, prove that the points A, B and D are collinear.
- 14(a)2 marksShow that M is a singular matrix.
- 14(b)3 marksCalculate the values of a and b such that: (2 1 / a 4) (5 / b) = (8 / 7).
- 14(c)(i)3 marksGiven that S = (0 x / y 0), calculate the values of x and y.
- 14(c)(ii)(a)3 marksCalculate the coordinates of G'.
- 14(c)(ii)(b)3 marksUnder the same transformation, H(p, q) is mapped onto H'(2, 6). Calculate the values of p and q.
- 14(c)(iii)4 marksObtain the coordinates of the image of P(10, 12), under the combined transformation, S followed by T.