Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Graphs 1
20 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
4 marks · Hard
Answer and see the solution →The straight line L passes through the points (–5, 7) and (3, –9).
(a)[2 marks]Calculate the gradient of line L.
(b)[2 marks]Find the equation of line L in the form .
Question 2
3 marks · Hard
Answer and see the solution →Consider the line y = 4x – 7.
(a)[2 marks]Explain whether the point (2, 2) lies above, below, or on the line.
(b)[1 mark]Give a reason for your answer.
Question 3
4 marks · Hard
Answer and see the solution →The point Q has coordinates (k, 12) and lies on the line y = 3x + 6.
(a)[2 marks]Find the value of k.
(b)[2 marks]The point R lies on the same line and has x-coordinate –2. Find the y-coordinate of R.