Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit
Unit 1
108 practice questions
Topics covered
Practice questions
21–30 of 51 · Normal
Question 21
3 marks · Normal
Answer and see the solution →Find the equation of the straight line that passes through the points (1, 5) and (3, 9). Give your answer in the form y = mx + c.
Question 22
2 marks · Normal
Answer and see the solution →A point B has y-coordinate 8 and lies on the line y = 3x + 2. Find the x-coordinate of B.
Question 23
2 marks · Normal
Answer and see the solution →Write down the y-intercept of the line y = –4x + 6.
Question 24
3 marks · Normal
Answer and see the solution →The line L has the equation . A point A lies on the Cartesian plane.
(a)[1 mark]Write down the y-coordinate of the point where line L crosses the y-axis.
(b)[2 marks]Find the x-coordinate of the point where line L crosses the x-axis.
Question 25
3 marks · Normal
Answer and see the solution →The table gives some values for the line . Complete the table.
x y –1 0 2 Question 26
2 marks · Normal
Answer and see the solution →A straight line passes through the points (–2, 6) and (4, –6). Work out the gradient of the line.
Question 27
1 mark · Normal
Answer and see the solution →Write down the name of the 2D shape that has four equal sides and four right angles.
Question 28
2 marks · Normal
Answer and see the solution →Draw a triangle which has exactly one line of symmetry. Name this type of triangle.
Question 29
2 marks · Normal
Answer and see the solution →Explain why a rectangle is not the same as a square, even though both have four sides and four right angles.
Question 30
3 marks · Normal
Answer and see the solution →Complete the table. For each figure, write down the number of sides and the number of lines of symmetry.
Shapes and their symmetries Shape Number of sides Lines of symmetry Equilateral triangle Regular octagon Rectangle