Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Graphs 7
18 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →The curve is drawn on a set of axes. Solve the equation by referring to the graph, and write down both solutions for .
Question 2
4 marks · Hard
Answer and see the solution →A student is asked to solve the equation by drawing suitable graphs.
Write down:
(a)[1 mark]Which two graphs the student must draw.
(b)[1 mark]Explain how the solutions can be found using these graphs.
(c)[2 marks]If the graphs intersect at one point only, estimate the solution for to one decimal place.
Question 3
4 marks · Hard
Answer and see the solution →Consider the simultaneous equations and .
Explain, step by step, how you would use graphs to solve these equations simultaneously, and write down the solution(s) for and .