CSEC Mathematics · May/June 2010 · Paper 2
71 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 marksDetermine the EXACT value of: (1 1/2 - 2/5) / (4/5 * 3/4)
- 1(a)(ii)3 marksDetermine the EXACT value of: 2.5^2 - 2.89/17, giving your answer correct to 2 significant figures
- 1(b)(i)1 markCalculate the cost of ONE T-shirt.
- 1(b)(ii)1 markCalculate the amount of money Mrs. Jack received after selling ALL of the T-shirts
- 1(b)(iii)1 markCalculate the TOTAL profit made
- 1(b)(iv)2 marksCalculate the profit made as a percentage of the cost price, giving your answer correct to the nearest whole number.
- 2(a)(i)1 markFind the value of: a + b + c
- 2(a)(ii)1 markFind the value of: b^2 - c^2
- 2(b)(i)1 markWrite the following phrases as algebraic expressions: seven times the sum of x and y
- 2(b)(ii)1 markWrite the following phrases as algebraic expressions: the product of TWO consecutive numbers when the smaller number is y
- 2(c)3 marksSolve the pair of simultaneous equations: 2x + y = 7; x - 2y = 1
- 2(d)(i)1 markFactorise completely: 4y^2 - z^2
- 2(d)(ii)2 marksFactorise completely: 2ax - 2ay - bx + by
- 2(d)(iii)2 marksFactorise completely: 3x^2 + 10x - 8
- 3(a)(i)2 marksCopy and complete the Venn diagram below to represent the given information above.
- 3(a)(ii)2 marksWrite an expression, in x, to represent the TOTAL number of tourists in the survey.
- 3(a)(iii)2 marksCalculate the value of x.
- 4(a)(i)2 marksFind the value of k.
- 4(a)(ii)2 marksCalculate the value of y when x = 30.
- 4(b)(i)5 marksUsing a ruler, a pencil and a pair of compasses, construct triangle EFG with EG = 6 cm, ∠FEG = 60° and ∠EGF = 90°.
- 4(b)(ii)a)2 marksMeasure and state the length of EF
- 4(b)(ii)b)2 marksMeasure and state the size of ∠EFG.
- 5(a)(i)a)1 markCalculate the value of f(4)
- 5(a)(i)b)2 marksCalculate the value of gf(4).
- 5(a)(ii)2 marksFind f^-1(x).
- 5(b)(i)1 markUse the graph above to determine the scale used on the x-axis
- 5(b)(ii)2 marksUse the graph above to determine the value of y for which x = -1.5
- 5(b)(iii)2 marksUse the graph above to determine the values of x for which y = 0
- 5(b)(iv)2 marksUse the graph above to determine the range of values of y, giving your answer in the form a ≤ y ≤ b, where a and b are real numbers.
- 6(a)(i)2 marksDetermine, giving a reason for EACH of your answers, the value of x
- 6(a)(ii)2 marksDetermine, giving a reason for EACH of your answers, the value of y.
- 6(b)(i)a)3 marksDescribe the rotation FULLY by stating the centre
- 6(b)(i)b)3 marksDescribe the rotation FULLY by stating the angle
- 6(b)(i)c)3 marksDescribe the rotation FULLY by stating the direction.
- 6(b)(ii)2 marksState TWO geometric relationships between triangle LMN and its image, triangle L'M'N'.
- 6(b)(iii)2 marksDetermine the coordinates of the image of the point L under this transformation.
- 7(a)3 marksCopy and complete the frequency table for the data shown above.
- 7(b)1 markState the lower boundary for the class interval 20 - 29.
- 7(c)5 marksUsing a scale of 1 cm on the x-axis to represent 5 metres, and a scale of 1 cm on the y-axis to represent 1 student, draw a histogram to illustrate the data.
- 7(d)(i)1 markDetermine the number of students who threw the ball a distance recorded as 50 metres or more
- 7(d)(ii)1 markDetermine the probability that a student, chosen at random, threw the ball a distance recorded as 50 metres or more.
- 8(a)2 marksOn your answer sheet, draw the FOURTH figure (Fig. 4) in the sequence.
- 8(b)(i)2 marksComplete the row for Figure 4 in the table.
- 8(b)(ii)2 marksComplete the row for Figure 5 in the table.
- 8(b)(iii)2 marksComplete the row for Figure 15 in the table.
- 8(b)(iv)2 marksComplete the row for Figure n in the table.
- 9(a)(i)a)4 marksUsing the graph, determine the MAXIMUM speed
- 9(a)(i)b)4 marksUsing the graph, determine the number of seconds for which the speed was constant
- 9(a)(i)c)4 marksUsing the graph, determine the TOTAL distance covered by the athlete during the race.
- 9(a)(ii)a)3 marksDuring which time-period of the race was the speed of the athlete increasing
- 9(a)(ii)b)3 marksDuring which time-period of the race was the speed of the athlete decreasing
- 9(a)(ii)c)3 marksDuring which time-period of the race was the acceleration of the athlete zero?
- 9(b)(i)1 markWrite an inequality to represent the THIRD condition.
- 9(b)(ii)4 marksUsing a scale of 1 cm to represent one pumpkin on the x-axis and 1 cm to represent one melon on the y-axis, draw the graphs of the THREE lines associated with the THREE inequalities.
- 9(b)(iii)1 markIdentify, by shading, the region which satisfies the THREE inequalities.
- 9(b)(iv)2 marksDetermine, from your graph, the minimum values of x and y which satisfy the conditions.
- 10(a)(i)2 marksCalculate, giving a reason for EACH step of your answer, ∠PTR
- 10(a)(ii)3 marksCalculate, giving a reason for EACH step of your answer, ∠TPR
- 10(a)(iii)2 marksCalculate, giving a reason for EACH step of your answer, ∠TSR.
- 10(b)(i)2 marksCalculate, giving your answer correct to 3 significant figures, the height, FT, of the flagpole
- 10(b)(ii)3 marksCalculate, giving your answer correct to 3 significant figures, the length of EG
- 10(b)(iii)3 marksCalculate, giving your answer correct to 3 significant figures, the angle of elevation of T from E.
- 11(a)(i)2 marksFind AB.
- 11(a)(ii)1 markDetermine B^-1, the inverse of B.
- 11(a)(iii)2 marksWrite ((x), (y)) as the product of TWO matrices.
- 11(a)(iv)2 marksHence, calculate the values of x and y.
- 11(b)(i)2 marksCopy the diagram in your answer booklet and show the points M and N.
- 11(b)(ii)a)4 marksWrite, in terms of u and v, an expression for vector JK
- 11(b)(ii)b)4 marksWrite, in terms of u and v, an expression for vector MN
- 11(b)(ii)c)4 marksWrite, in terms of u and v, an expression for vector KL.
- 11(b)(iii)2 marksUsing your findings in (b)(ii), deduce TWO geometrical relationships between KL and MN.