Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit
Unit 4
104 practice questions
Topics covered
Practice questions
11–20 of 48 · Normal
Question 11
2 marks · Normal
Answer and see the solution →Solve the equation 5y − 4 = 26.
Question 12
4 marks · Normal
Answer and see the solution →A rectangle has base cm and height cm. Its area is given by .
(a)[1 mark]Calculate the area when and .
(b)[2 marks]Find when and .
(c)[1 mark]Make the subject of the formula for area.
Question 13
2 marks · Normal
Answer and see the solution →Solve the equation .
Question 14
2 marks · Normal
Answer and see the solution →The area of a triangle with base and height is given by . Find if and .
Question 15
2 marks · Normal
Answer and see the solution →Make the subject of the equation .
Question 16
2 marks · Normal
Answer and see the solution →Solve the equation .
Question 17
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 18
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 19
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 20
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.