Problem Solving with Graphs · CSEC Mathematics

10 past-paper questions on Problem Solving with Graphs, part of RELATIONS, FUNCTIONS AND GRAPHS, from every CSEC Mathematics paper on Quelpr.

1. 12(b)(iii)3 marks· CSEC Mathematics · 2003 (Specimen) · Paper 2Use your graph to find the approximate values of x for which 1 + 2\sin x = 2.3.
2. 4(c)(i)2 marks· Mathematics Q4 4(c)(i)Using your graph, determine the total charges when the job took 4.5 hours. Draw lines on your graph to show how the values for (c)(i) and (c)(ii) were obtained.
3. 4(c)(ii)2 marks· Mathematics Q4 4(c)(ii)Using your graph, determine the time, in hours, spent on a job if the total charges were $300. Draw lines on your graph to show how the values for (c)(i) and (c)(ii) were obtained.
4. 6(f)3 marks· Mathematics Q6 6(f)Determine the length of time taken to complete a job for which the charge was $78.00.
5. 8(a)(iii)3 marks· Mathematics Q8 8(a)(iii)By drawing an appropriate straight line on the diagram on page 25, find approximate solutions to the equation 3x + 1/x = 6.
6. 9(a)(iii)1 mark· Mathematics Q9 9(a)(iii)A candidate is awarded 95 marks on the examination. Use the graph drawn at (ii) to determine the candidate's percentage. Draw lines on your graph to show how the percentage was obtained. Percentage: ____________
7. 9(a)(iv)2 marks· Mathematics Q9 9(a)(iv)A candidate is awarded a Grade A if her percentage is 85% or more. Use the graph drawn at (ii) to determine the minimum mark the candidate needs to be awarded a Grade A. Draw lines on your graph to show how the…
8. 9(b)(iii)2 marks· Mathematics Q9 9(b)(iii)Drawing appropriate lines on your graph, determine the value of x for which 2ˣ = 11.
9. 9(b)(v)2 marks· Mathematics Q9 9(b)(v)Hence, solve the equation x² - 6x + 8 = x - 2.
10. 12(a)(ii)3 marks· Mathematics Q12 12(a)(ii)Using the two graphs, solve the equation 2 cos x = 1.