CSEC Mathematics · January 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)(i)4 marksCalculate the EXACT value of: 1 - 3/7 / (1/2 * 4/5)
- 1(a)(ii)2 marksCalculate the EXACT value of: 2 - 0.24 / 0.15
- 1(b)(i)2 marksWhat is the TOTAL hire purchase price of the bicycle?
- 1(b)(ii)1 markCalculate the difference between the total hire purchase price and the cash price.
- 1(b)(iii)2 marksExpress your answer in (ii) above as a percentage of the cash price.
- 2(a)(i)2 marksSolve the inequality: 3 - 2x < 7
- 2(a)(ii)1 markIf x is a whole number, determine the SMALLEST value that satisfies the inequality in (a) (i) above.
- 2(b)(i)1 markFactorize completely x^2 - xy
- 2(b)(ii)1 markFactorize completely a^2 - 1
- 2(b)(iii)2 marksFactorize completely 2p - 2q - p^2 + pq
- 2(c)(i)1 markWrite an expression, in terms of k, for the amount of money collected from the sale of sponge cakes for the day.
- 2(c)(ii)2 marksWrite an expression, in terms of k, for the TOTAL amount of money collected.
- 2(c)(iii)2 marksDetermine the value of k.
- 3(a)(i)3 marksDraw a Venn diagram to represent this information.
- 3(a)(ii)a)1 markList, using set notation, the members of the set S U T
- 3(a)(ii)b)2 marksList, using set notation, the members of the set S'
- 3(b)(i)6 marksCalculate, giving reasons for your answers, the size of angle ABC.
- 3(b)(ii)6 marksCalculate, giving reasons for your answers, the size of angle ABD.
- 3(b)(iii)6 marksCalculate, giving reasons for your answers, the size of angle BAD.
- 4(a)(i)1 markHow long did the journey take?
- 4(a)(ii)2 marksCalculate his average speed in km h^-1.
- 4(b)(i)2 marksCalculate the area of the circle.
- 4(b)(ii)2 marksCalculate the area of the square OPQR.
- 4(b)(iii)3 marksCalculate the area of the shaded region.
- 5(a)3 marksDraw a frequency table to represent the data shown in the bar graph.
- 5(b)2 marksHow many boys are there in the Book Club?
- 5(c)1 markWhat is the modal number of books read?
- 5(d)2 marksHow many books did the boys read during the Easter holiday?
- 5(e)2 marksCalculate the mean number of books read.
- 5(f)2 marksWhat is the probability that a boy chosen at random read THREE OR MORE books?
- 6(a)(i)3 marksDescribe FULLY the single transformation that will map triangle BCL onto triangle FHL.
- 6(a)(ii)3 marksDescribe FULLY the single transformation that will map triangle BCL onto triangle HFG.
- 6(b)(i)5 marksUsing a ruler, a pencil and a pair of compasses, construct parallelogram WXYZ in which WX = 7.0 cm, WZ = 5.5 cm and angle XWZ = 60°.
- 6(b)(ii)1 markMeasure and state the length of the diagonal WY.
- 7(a)3 marksGiven that y = x^2 - 4x, copy and complete the table below.
- 7(b)4 marksUsing a scale of 2 cm to represent 1 unit on both axes, draw the graph of the function y = x^2 - 4x for -1 ≤ x ≤ 5.
- 7(c)(i)1 markOn the same axes used in (b) above, draw the line y = 2.
- 7(c)(ii)2 marksState the x-coordinates of the two points at which the curve meets the line.
- 7(c)(iii)1 markHence, write the equation whose roots are the x-coordinates stated in (c) (ii).
- 8(a)(i)3 marksComplete the row for n=6 in the table.
- 8(a)(ii)2 marksComplete the row for n in the table.
- 8(b)(i)1 markUsing the pattern observed in these two statements, determine the sum of the series: 1^3 + 2^3 + 3^3 + 4^3 + 5^3 + 6^3 + 7^3 + 8^3
- 8(b)(ii)2 marksUsing the pattern observed in these two statements, determine the sum of the series: 1^3 + 2^3 + 3^3 + ... + n^3.
- 8(c)2 marksHence, or otherwise, determine the EXACT value of the sum of the series: 1^3 + 2^3 + 3^3 + 4^3 + ... + 12^3
- 9(a)(i)2 marksWrite an equation relating V and P.
- 9(a)(ii)2 marksIf V = 12.8 when P = 500, determine the constant of variation.
- 9(a)(iii)2 marksCalculate the value of V when P = 480.
- 9(b)(i)2 marksUsing Pythagoras theorem, write an equation in terms of a to represent the relationship among the three sides.
- 9(b)(ii)4 marksSolve the equation for a.
- 9(b)(iii)3 marksHence, state the lengths of the THREE sides of the triangle.
- 10(a)(i)2 marksWrite an inequality to represent this information.
- 10(a)(ii)2 marksWrite an inequality to represent this information.
- 10(b)(i)5 marksUsing a scale of 2 cm on the x-axis to represent 10 balls and 2 cm on the y-axis to represent 5 bats, draw the graphs of the lines associated with the inequalities at (a) (i) and (ii) above.
- 10(b)(ii)1 markShade the region which satisfies the two inequalities at (a) (i) and (ii) and the inequalities x ≥ 0 and y ≥ 0.
- 10(b)(iii)2 marksUse your graph to write the coordinates of the vertices of the shaded region.
- 10(c)(i)2 marksUse the coordinates of the vertices given at (b) (iii) above to determine the profit for each of those combinations.
- 10(c)(ii)1 markHence, state the maximum profit that may be made.
- 11(a)(i)2 marksCalculate, giving a reason for EACH step of your answer, angle WOY.
- 11(a)(ii)2 marksCalculate, giving a reason for EACH step of your answer, angle OWY.
- 11(b)(i)5 marksSketch a diagram to represent the information given below. Show clearly all measurements and any north-south lines that may be required.
- 11(b)(ii)3 marksCalculate, to one decimal place, the distance AC.
- 11(b)(iii)3 marksCalculate, to the nearest degree, the bearing of C from A.
- 12(a)(i)2 marksCalculate, to one decimal place, the horizontal distance AB.
- 12(a)(ii)4 marksCalculate, to one decimal place, the height of the tower, BC.
- 13(a)(i)1 markMake a sketch of the diagram and show the points P and Q.
- 13(a)(ii)a)1 markWrite, in terms of x and y, an expression for vector AC.
- 13(a)(ii)b)2 marksWrite, in terms of x and y, an expression for vector PQ.
- 13(a)(iii)2 marksHence show that vector PQ = 1/2 vector AC.
- 13(b)(i)a)4 marksExpress in the form (a, b) the vector RT.
- 13(b)(i)b)4 marksExpress in the form (a, b) the vector SR.
- 13(b)(ii)a)5 marksUse a vector method to determine the position vector of F.
- 13(b)(ii)b)5 marksHence, state the coordinates of F.
- 14(a)5 marksCalculate the values of x and y.
- 14(b)(i)2 marksShow that R is non-singular.
- 14(b)(ii)2 marksFind R^-1, the inverse of R.
- 14(b)(iii)2 marksShow that R R^-1 = I.
- 14(b)(iv)4 marksUsing a matrix method, solve the pair of simultaneous equations: 2x - y = 0 and x + 3y = 7.