Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit
Unit 2
105 practice questions
Topics covered
Practice questions
11–20 of 38 · Easy
Question 11
3 marks · Easy
Answer and see the solution →The formula for the perimeter of a rectangle is .
(a)[2 marks]Substitute and into the formula. Work out the value of .
(b)[1 mark]If and , rearrange the formula to find the value of .
Question 12
1 mark · Easy
Answer and see the solution →Write the following using index notation:
Question 13
1 mark · Easy
Answer and see the solution →Evaluate \( 4^0 \ ).
Question 14
1 mark · Easy
Answer and check →Which of the following points lies on the line $y = -2x + 3$?
- A.(1, 1)
- B.(-1, 5)
- C.(2, -1)
- D.(-2, 7)
Question 15
1 mark · Easy
Answer and see the solution →Write down the coordinates of the point labelled $P$ on the graph below.
Point $P$ marked on a grid. Question 16
2 marks · Easy
Answer and see the solution →The equation of a straight line is $y = 3x - 5$.
Work out the value of $y$ when $x = 4$.
Question 17
3 marks · Easy
Answer and see the solution →The straight line $y = -2x + 6$ intersects the $y$-axis at point $A$ and the $x$-axis at point $B$.
(a)[1 mark]Write down the coordinates of point $A$ where the line crosses the $y$-axis.
(b)[2 marks]Find the coordinates of point $B$ where the line crosses the $x$-axis.
Question 18
2 marks · Easy
Answer and see the solution →Find the gradient of the straight line passing through the points $(1, 2)$ and $(5, 10)$.
Question 19
2 marks · Easy
Answer and see the solution →Here is a table showing a relationship between $x$ and $y$.
Values of $x$ and $y$ $x$ $y$ 0 3 1 5 2 7 (a)[1 mark]Describe the relationship between $x$ and $y$.
(b)[1 mark]Work out the next value of $y$ when $x = 3$.
Question 20
1 mark · Easy
Answer and see the solution →Write down the name given to a straight line passing through the centre of a circle and touching the circumference at both ends.