CSEC Mathematics · May/June 2004 · 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)6 marksDetermine the exact value of 2.3² + 4.1².
- 1(a)(ii)6 marksDetermine the exact value of 0.18 / 0.6 - 0.003.
- 1(a)(iii)6 marksDetermine the exact value of (3 1/5 - 2 2/3) / (2/5).
- 1(b)(i)2 marksWrite your answer in Part (a)(i) correct to one significant figure.
- 1(b)(ii)2 marksWrite your answer in Part (a)(ii) in standard form.
- 1(c)(i)4 marksCalculate the amount Mr Mitchell will receive at the end of the two-year period.
- 1(c)(ii)4 marksCalculate the value of Mr Williams' land after a period of two years.
- 2(a)(i)4 marksSimplify (x² - 1) / (x - 1).
- 2(a)(ii)4 marksSimplify (4ab² + 2a²b) / (ab).
- 2(b)2 marksExpress as a single fraction: 3p/2 + q/p.
- 2(c)4 marksSolve for x, given 3x² - 7x + 2 = 0.
- 3(a)(i)5 marksDraw a Venn diagram to represent this information.
- 3(a)(ii)5 marksHow many members play both tennis and cricket?
- 3(b)(i)a)6 marksUsing the eight scores, determine the mean.
- 3(b)(i)b)6 marksUsing the eight scores, determine the median.
- 3(b)(i)c)6 marksUsing the eight scores, determine the mode.
- 3(b)(ii)6 marksOnly six scores are to be used. Which two scores may be omitted to leave the value of the median the same?
- 4(a)(i)5 marksCalculate the value of t when m = 20 and n = 48.
- 4(a)(ii)5 marksExpress m as subject of the formula t = (5m) / (12n).
- 4(b)(i)7 marksCalculate correct to one decimal place the length of GF.
- 4(b)(ii)7 marksCalculate correct to one decimal place the length of HD.
- 4(b)(iii)7 marksCalculate correct to one decimal place the size of the angle HDE.
- 5(a)(i)3 marksWrite down the coordinates of the point P.
- 5(a)(ii)3 marksDraw a line segment PQ through the point, P, such that the gradient of PQ is -3/2.
- 5(b)(i)4 marksDraw the reflection of quadrilateral A in the mirror line, labelled M₁. Label its image B.
- 5(b)(ii)4 marksDraw the reflection of quadrilateral B in the mirror line, labelled M₂. Label its image C.
- 5(c)3 marksComplete the sentence in part (c) on your answer sheet, describing FULLY the single geometric transformation which maps quadrilateral A onto quadrilateral C.
- 6(a)1 markWhat was the charge for a plumbing job which took 20 minutes?
- 6(b)(i)2 marksHow many minutes were spent completing repairs that cost $38.00?
- 6(b)(ii)2 marksHow many minutes were spent completing repairs that cost $20.00?
- 6(c)1 markWhat is the amount of the fixed charge?
- 6(d)2 marksCalculate the gradient of the line.
- 6(e)2 marksWrite down the equation of the line in terms of d and t.
- 6(f)3 marksDetermine the length of time taken to complete a job for which the charge was $78.00.
- 7(a)(i)a)6 marksCalculate the radius of the circle.
- 7(a)(i)b)6 marksCalculate the circumference of the circle.
- 7(a)(ii)6 marksCalculate the area enclosed by the square.
- 7(b)(i)6 marksFind to the nearest km, the shortest distance between Rose Hall and South Port.
- 7(b)(ii)6 marksDetermine the bearing of South Port from Spring Hall.
- 8(a)2 marksWhat percent of the mixture using Recipe A is chocolate?
- 8(b)2 marksBy showing suitable calculations, determine which of the two recipes, A or B, is richer in chocolate.
- 8(c)2 marksIf the mixtures from Recipe A and Recipe B are combined, what is the percent of chocolate in the new mixture?
- 8(d)(i)6 marksWhat is the cost of making 150 bottles of chocolate drink?
- 8(d)(ii)6 marksWhat should be the selling price of each bottle of chocolate drink to make an overall profit of 20%?
- 9(a)6 marksCalculate the values of m and n.
- 9(b)(i)9 marksObtain an expression, in terms of x, for the area of rectangle AKLM.
- 9(b)(ii)9 marksGiven that the area of rectangle AKLM is 60 cm², show that 2x² + 7x - 15 = 0.
- 9(b)(iii)9 marksHence, calculate the value of x and state the length of AK and AM.
- 10(a)(i)5 marksWrite TWO inequalities which satisfy these conditions.
- 10(a)(ii)5 marksWrite TWO inequalities which satisfy these conditions.
- 10(b)6 marksUsing a scale of 2 cm to represent 10 kg on each axis, draw the graph of the FOUR inequalities in (a)(i) and (a)(ii). On your graph, shade ONLY the region which satisfies all four inequalities.
- 10(c)(i)4 marksUsing your graph, determine the number of kilograms of each type of nut the vendor must sell in order to make the maximum profit.
- 10(c)(ii)4 marksCalculate the maximum profit.
- 11(a)(i)a)4 marksCalculate the size of angle VZW, giving reasons for your answer.
- 11(a)(i)b)4 marksCalculate the size of angle XYZ, giving reasons for your answer.
- 11(b)(i)11 marksDraw a diagram to represent the information given below. Show clearly the north line in your diagram.
- 11(b)(ii)11 marksCalculate, to the nearest kilometre, the actual distance GH.
- 11(b)(iii)11 marksCalculate, to the nearest degree, the bearing of H from G.
- 12(a)(i)7 marksExpress in fractional or surd form the value of cos θ.
- 12(a)(ii)7 marksShow that the area of triangle CDE is 150√3 square units, where CD = 30 units and DE = 20 units.
- 12(a)(iii)7 marksCalculate the length of the side EC.
- 12(b)(i)8 marksCopy the sketch above of the earth and insert the points A and B on your diagram.
- 12(b)(ii)a)8 marksCalculate, correct to the nearest kilometre, the radius of the circle of latitude 24° N.
- 12(b)(ii)b)8 marksCalculate, correct to the nearest kilometre, the shortest distance between A and B, measured along the circle of latitude 24° N.
- 13(a)(i)3 marksWrite as a column vector, in the form (x y), the vector OA.
- 13(a)(ii)3 marksWrite as a column vector, in the form (x y), the vector CB.
- 13(b)1 markCalculate |OA|, the magnitude of OA.
- 13(c)(i)4 marksState two geometrical relationships between the line segments OA and CB.
- 13(c)(ii)4 marksExplain why OABC is a parallelogram.
- 13(d)(i)7 marksDetermine the position vector OM.
- 13(d)(ii)7 marksDetermine the position vector ON. Hence, state one conclusion which can be made about the diagonals of the parallelogram OABC.
- 14(a)(i)5 marksReflect triangle P in the y-axis. Label its image Q.
- 14(a)(ii)5 marksDraw the line y = x and reflect triangle Q in this line. Label its image R.
- 14(a)(iii)3 marksDescribe, in words, the single geometric transformation which maps triangle P onto triangle R.
- 14(a)(iv)3 marksReflect triangle Q in the x-axis. Label its image S.
- 14(a)(v)3 marksWrite down the 2 x 2 matrix for the transformation which maps triangle P onto triangle S.
- 14(b)(i)a)4 marksWrite down the 2 x 2 matrix for a reflection in the y-axis.
- 14(b)(i)b)4 marksWrite down the 2 x 2 matrix for a reflection in the line y = x.
- 14(b)(ii)4 marksUsing the two matrices in b(i) above, obtain a SINGLE matrix for a reflection in the y-axis followed by a reflection in the line y = x.