CSEC Mathematics · May/June 2009 · Paper 2
79 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)3 marksUsing a calculator, or otherwise, calculate the EXACT value of 2 2/3 + 1 1/5 divided by 6 2/5, giving your answer as a common fraction.
- 1(a)(ii)3 marksCalculate the EXACT value of the square root of 0.0256 divided by 25, giving your answer in standard form.
- 1(b)(i)1 markCalculate his hourly rate.
- 1(b)(ii)2 marksCalculate his overtime wage for 10 hours of overtime.
- 1(b)(iii)3 marksCalculate the TOTAL wages earned by the truck driver for a 55-hour week.
- 2(a)(i)2 marksFactorise completely: 2ax + 3ay - 2bx - 3by
- 2(a)(ii)2 marksFactorise completely: 5x² - 20
- 2(a)(iii)2 marksFactorise completely: 3x² + 4x - 15
- 2(b)(i)2 marksWrite a pair of simultaneous equations in x and y to represent the given information above.
- 2(b)(ii)4 marksSolve the equations obtained in (b)(i) above to find the cost of one packet of biscuits and the cost of one cup of ice cream.
- 3(a)(i)2 marksCopy and complete the Venn diagram below to represent the information obtained from the survey.
- 3(a)(ii)1 markWrite an expression in x for the TOTAL number of students in the survey.
- 3(a)(iii)2 marksCalculate the value of x.
- 3(b)(i)4 marksUsing a ruler, a pencil, and a pair of compasses, construct the rhombus PQRS accurately.
- 3(b)(ii)2 marksJoin QS. Measure and state, in centimetres, the length of QS.
- 4(a)(i)1 markFor the period of time between the two readings, calculate the distance travelled in kilometres.
- 4(a)(ii)3 marksFor the period of time between the two readings, calculate the average speed of the aircraft in km/h.
- 4(b)(i)2 marksMeasure and state, in centimetres, the distance on the map from L to M along a straight line.
- 4(b)(ii)2 marksCalculate the actual distance, in kilometres, from L to M.
- 4(b)(iii)3 marksThe actual distance between two points is 4.5 km. Calculate the number of centimetres that should be used to represent this distance on the map.
- 5(a)(i)1 markCalculate the value of f(-2).
- 5(a)(ii)2 marksCalculate the value of gf(1).
- 5(a)(iii)2 marksCalculate the value of f⁻¹(3).
- 5(b)(i)2 marksCopy and complete the table below.
- 5(b)(ii)5 marksUsing a scale of 2 cm to represent 1 unit on the x-axis and 1 cm to represent 1 unit on the y-axis, draw the graph of y = x² + 2x - 3 for -4 ≤ x ≤ 2.
- 6(a)(i)3 marksDescribe, FULLY, the single transformation which maps triangle A onto triangle D.
- 6(a)(ii)3 marksDescribe, FULLY, the single transformation which maps triangle A onto triangle B.
- 6(b)4 marksState the coordinates of the vertices of triangle C, the image of triangle A after a reflection in the line y = x.
- 7(a)2 marksCopy and complete the table, showing the cumulative frequency.
- 7(b)4 marksOn the answer sheet provided, use the values from your table to complete the cumulative frequency curve.
- 7(c)(i)2 marksUse your graph from (b) above to estimate the median for the data.
- 7(c)(ii)2 marksUse your graph from (b) above to estimate the number of students who waited for no more than 29 minutes.
- 7(c)(iii)2 marksUse your graph from (b) above to estimate the probability that a student, chosen at random from the group, waited for no more than 17 minutes.
- 8(a)2 marksDraw Diagram 4 in the sequence.
- 8(b)8 marksComplete the table by inserting the appropriate values at the rows marked (i), (ii) and (iii).
- 9(a)4 marksSolve the pair of simultaneous equations: y = 4 - 2x and y = 2x² - 3x + 1.
- 9(b)3 marksExpress 2x² - 3x + 1 in the form a(x + h)² + k, where a, h and k are real numbers.
- 9(c)(i)1 markUsing your answer from (b) above, or otherwise, calculate the minimum value of 2x² - 3x + 1.
- 9(c)(ii)1 markUsing your answer from (b) above, or otherwise, calculate the value of x for which the minimum occurs.
- 9(d)4 marksSketch the graph of y = 2x² - 3x + 1, clearly showing the coordinates of the minimum point, the value of the y-intercept, and the values of x where the graph cuts the x-axis.
- 9(e)2 marksSketch on your graph of y = 2x² - 3x + 1, the line which intersects the curve at the values of x and y calculated in (a) above.
- 10(a)(i)1 markWrite an inequality to represent the information that the number of violins must be less than or equal to the number of guitars.
- 10(a)(ii)2 marksWrite an inequality to represent the information about the total cost of guitars and violins given the budget of $4500.
- 10(a)(iii)1 markWrite an inequality to represent the information that the owner must buy at least 5 violins.
- 10(b)(i)4 marksUsing a scale of 2 cm on the horizontal axis to represent 5 guitars, and 2 cm on the vertical axis to represent 5 violins, draw the graphs of the lines associated with the THREE inequalities written in (a) (i), (ii) and…
- 10(b)(ii)1 markShade the region on your graph that satisfies all THREE inequalities.
- 10(b)(iii)2 marksState the coordinates of the vertices of the shaded region.
- 10(c)(i)1 markExpress the TOTAL profit in terms of x and y.
- 10(c)(ii)3 marksCalculate the maximum profit.
- 11(a)(i)1 markCalculate angle ABC.
- 11(a)(ii)1 markCalculate angle AOC.
- 11(a)(iii)1 markCalculate angle BCD.
- 11(a)(iv)1 markCalculate angle BAC.
- 11(a)(v)1 markCalculate angle OAC.
- 11(a)(vi)1 markCalculate angle OAB.
- 11(b)(i)2 marksCopy the diagram above. On your diagram label the angles that show the bearings of 025° and 080°.
- 11(b)(ii)a)7 marksCalculate angle OPQ.
- 11(b)(ii)b)7 marksCalculate the length, to the nearest kilometre, of OQ.
- 11(b)(ii)c)7 marksCalculate the bearing of Q from O.
- 12(a)(i)a)2 marksCopy the sketch and label the arc which represents 60°N.
- 12(a)(i)b)2 marksCopy the sketch and label the arc which represents 35°E.
- 12(a)(ii)a)2 marksCopy the sketch and insert the point J (60°N, 35°E).
- 12(a)(ii)b)2 marksCopy the sketch and insert the point K (60°N, 15°W).
- 12(b)(i)3 marksCalculate, to the nearest kilometre, the SHORTEST distance from J to the North Pole measured along the common circle of longitude.
- 12(b)(ii)4 marksCalculate, to the nearest kilometre, the SHORTEST distance from J to K measured along the common circle of latitude.
- 12(c)4 marksCalculate the latitude of H.
- 13(a)(i)4 marksExpress in the form (x, y) the vectors AB and AG.
- 13(a)(ii)2 marksExpress in the form (x, y) the position vector OG.
- 13(b)(i)a)6 marksWrite in terms of a and b the vector AB.
- 13(b)(i)b)6 marksWrite in terms of a and b the vector AC.
- 13(b)(i)c)6 marksWrite in terms of a and b the vector DC.
- 13(b)(i)d)6 marksWrite in terms of a and b the vector DX.
- 13(b)(ii)2 marksState TWO geometrical relationships between DX and DC.
- 13(b)(iii)1 markState ONE geometrical relationship between the points D, C, and X.
- 14(a)4 marksCalculate the values of x.
- 14(b)(i)2 marksWrite a single matrix, in the form ((a, b), (c, d)), to represent the combined transformation S followed by R.
- 14(b)(ii)3 marksCalculate the image of the point (5, -2) under the combined transformation in (b)(i) above.
- 14(c)(i)2 marksDetermine the inverse matrix of N.
- 14(c)(ii)4 marksHence, calculate the value of x and the value of y for which 3x - y = 5 and 2x + 5y = 9.