CSEC Mathematics · May/June 2017 · Paper 2
68 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)2 marksUsing a calculator, or otherwise, calculate the EXACT value of 4 1/3 - 1 2/5 ÷ 4/15
- 1(a)(ii)2 marksCalculate the EXACT value of (3.1-1.15)² / 0.005
- 1(b)(i)2 marksCalculate the TOTAL cost of a phone under Plan A.
- 1(b)(ii)2 marksDetermine which of the two plans, A or B, is the better deal. Justify your answer.
- 1(c)(i)2 marksCalculate the TOTAL amount that John pays for electricity consumption for the month of March 2016.
- 1(c)(ii)2 marksFor the next month, April 2016, John pays $2351.10 for electricity consumption. Determine his meter reading at the end of April 2016.
- 2(a)(i)2 marksFactorize the following expressions completely: 6y² - 18xy
- 2(a)(ii)1 markFactorize the following expressions completely: 4m² - 1
- 2(a)(iii)2 marksFactorize the following expressions completely: 2t² - 3t - 2
- 2(b)2 marksWrite as a single fraction and simplify (5p+2)/3 - (3p-1)/4
- 2(c)(i)2 marksDetermine the value of d when h = 29. Give your answer correct to 3 significant figures.
- 2(c)(ii)2 marksMake h the subject of the formula.
- 3(a)(i)1 markList the members of the subset M.
- 3(a)(ii)1 markList the members of the subset R.
- 3(a)(iii)4 marksDraw a Venn diagram that represents the relationship among the defined subsets of U.
- 3(b)(i)3 marksUsing a ruler, a pencil and a pair of compasses, construct accurately, the square ABCD, with sides 6 cm.
- 3(b)(ii)2 marksConstruct, as an extension of your drawing in (b)(i), the trapezium DABQ so that ∠ABQ = 120°. [Note: Credit will be given for clearly drawn construction lines.]
- 3(b)(iii)1 markHence, measure and state the length of BQ.
- 4(a)(i)2 marksFind the value of f(3) + f(-3).
- 4(a)(ii)2 marksCalculate the value of x for which f(x) = 5.
- 4(a)(iii)2 marksDetermine the inverse function f⁻¹(x).
- 4(b)(i)2 marksCalculate the gradient of the lines l₁ and l₂.
- 4(b)(ii)2 marksDetermine the equation of the line l₁.
- 4(b)(iii)2 marksWhat is the relationship between l₁ and l₂? Give a reason for your answer.
- 5(a)(i)2 marksDetermine, giving a reason for each step of your answer, the measure of angle RQT.
- 5(a)(ii)2 marksDetermine, giving a reason for each step of your answer, the measure of angle PRT.
- 5(a)(iii)2 marksDetermine, giving a reason for each step of your answer, the measure of angle SPT, given that angle SRT = 145° and angle PSR = 100°.
- 5(b)(i)3 marksDescribe completely the transformation that maps Δ ABC to Δ A'B'C'.
- 5(b)(ii)2 marksThe translation vector T = [4, -5] maps Δ A'B'C' to Δ A''B''C''. On the diagram above, draw the Δ A''B''C''.
- 6(a)(i)2 marksCalculate the area of the field.
- 6(a)(ii)3 marksCalculate the perimeter of the field.
- 6(b)(i)2 marksCalculate the area of the triangle ABC.
- 6(b)(ii)2 marksCalculate the length of the prism, if the volume is 540 cm³.
- 6(b)(iii)2 marksCalculate the surface area of the prism.
- 7(a)(i)1 markFor the class interval 20-39, as written in the table above, complete the following sentences: The upper class limit is ___________.
- 7(a)(ii)1 markFor the class interval 20-39, as written in the table above, complete the following sentences: The class width is ___________.
- 7(a)(iii)1 markFor the class interval 20-39, as written in the table above, complete the following sentences: Sixteen vehicles passed a checkpoint at no more than ___________ kmh⁻¹.
- 7(b)2 marksComplete the table shown above by inserting the missing values for the cumulative frequency column.
- 7(c)4 marksOn the grid provided on page 21, using a scale of 2 cm to represent 20 kmh⁻¹ on the x-axis, and 2 cm to represent 10 vehicles on the y-axis, draw the cumulative frequency curve to represent the information in the table.
- 7(d)(i)1 markOn your graph, draw reference lines to estimate the speed at which no more than 50% of the vehicles drove as they passed the checkpoint.
- 7(d)(ii)1 markWhat is the estimated speed?
- 8(a)2 marksDraw Figure 5 of the sequence in the space below.
- 8(b)1 markHow many dots would be in Figure 6?
- 8(c)2 marksComplete the row which corresponds to Figure 11 in the table above.
- 8(d)2 marksDetermine which figure in the sequence has 210 dots.
- 8(e)1 markWrite a simplified algebraic expression for the number of dots, d, in the Figure n.
- 8(f)2 marksShow that there is no diagram that has exactly 1000 dots.
- 9(a)(i)a)1 markCalculate the gradient of OA.
- 9(a)(i)b)1 markCalculate the gradient of AB.
- 9(a)(ii)3 marksComplete the following statements: The cyclist started from rest, where his velocity was ___________ ms⁻¹, and steadily increased his velocity by ___________ ms⁻¹ each second during the first 25 seconds. During the next…
- 9(a)(iii)3 marksDetermine the average speed of the cyclist over the 40-second period.
- 9(b)(i)2 marksWITHOUT solving, show that (1, 2) is a solution for the pair of simultaneous equations.
- 9(b)(ii)5 marksSolve the pair of simultaneous equations above to determine the other solution.
- 10(a)(i)2 marksUsing the geometrical properties of a circle to give reasons for each step of your answer, determine the measure of ∠SPQ.
- 10(a)(ii)3 marksUsing the geometrical properties of a circle to give reasons for each step of your answer, determine the measure of ∠OQS.
- 10(b)(i)2 marksOn the diagram below, not drawn to scale, label the known distances travelled and the known angles.
- 10(b)(ii)2 marksDetermine the measure of ∠ABC.
- 10(b)(iii)3 marksCalculate, to the nearest km, the distance AC.
- 10(b)(iv)3 marksShow that the bearing of A from C, to the nearest degree, is 260°.
- 11(a)(i)2 marksShow by multiplying A and B, that AB ≠ BA.
- 11(a)(ii)2 marksFind A⁻¹, the inverse of A.
- 11(a)(iii)1 markWrite down the 2 × 2 matrix representing the matrix product AA⁻¹.
- 11(b)(i)1 markWrite the following pair of simultaneous equations as a matrix equation.
- 11(b)(ii)2 marksWrite the solution of your matrix equation in (b)(i) as a product of two matrices.
- 11(c)(i)1 markExpress in the form [x, y], vector OS.
- 11(c)(ii)2 marksExpress in the form [x, y], vector PQ.
- 11(c)(iii)2 marksExpress in the form [x, y], vector RS.
- 11(c)(iv)2 marksState TWO geometrical relationships between PQ and RS.