Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Graphs 4
17 practice questions
Practice questions
1–10 of 17
Question 1
3 marks · Easy
Answer and see the solution →The equation of a straight line is given by .
(a)[1 mark]Write down the gradient of the line.
(b)[1 mark]Write down the y-intercept of the line.
(c)[1 mark]Find the value of when .
Question 2
4 marks · Easy
Answer and see the solution →The table below shows some values for the quadratic equation .
(a)[2 marks]Complete the table for \( y = x^2 + 2x + 1 \) x -2 -1 0 1 2 y (b)[2 marks]Write down the coordinates of the turning point of the curve.
Question 3
1 mark · Easy
Answer and see the solution →Write down the general form of a quadratic equation.
Question 4
2 marks · Easy
Answer and see the solution →The graph below shows the height, y (in metres), of a skier on a ramp as a function of time, t (in seconds).
Graph: height of skier versus time Question 5
1 mark · Easy
Answer and check →Which of the following equations represents a quadratic graph?
- A.y = 3x + 2
- B.y = 7 - 2x
- C.y = x^2 + 5x - 4
- D.y = 4/x
Question 6
2 marks · Normal
Answer and see the solution →A quadratic curve is given by the equation . Find the coordinates of the y-intercept of this curve.
Question 7
3 marks · Normal
Answer and see the solution →For the quadratic equation , complete the table of values for .
(a)[3 marks]Table for y = x^2 + 3x - 4 x -2 -1 0 1 2 3 y Question 8
4 marks · Normal
Answer and see the solution →A straight line has equation .
(a)[1 mark]Write down the gradient of this line.
(b)[1 mark]Find the y-intercept.
(c)[2 marks]Find the value of x when y = 0.
Question 9
4 marks · Normal
Answer and see the solution →The height y (in metres) of a bungee jumper above the ground t seconds after jumping is modelled by .
Complete the following table and plot the graph of y against t for .
t (s) 0 1 2 3 4 5 6 y (m) Use the table to plot a graph. Clearly label your axes.
Question 10
2 marks · Normal
Answer and see the solution →Consider the quadratic curve . Explain how you can tell from the equation whether the curve will be U-shaped or inverted.