Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit
Unit 5
104 practice questions
Topics covered
Practice questions
21–30 of 104
Question 21
1 mark · Easy
Answer and see the solution →Factorise the following quadratic expression:
Question 22
1 mark · Easy
Answer and see the solution →Which of the following is equivalent to ?
- A.x^2 + 13x - 36
- B.x^2 - 5x + 36
- C.x^2 - 36x + 4
- D.x^2 - 5x - 36
Question 23
2 marks · Easy
Answer and see the solution →Solve the quadratic equation .
Question 24
1 mark · Easy
Answer and see the solution →Rearrange the formula to make v the subject:
Question 25
2 marks · Easy
Answer and see the solution →Solve the simultaneous equations: \( x - y = 2 \ )
Question 26
3 marks · Normal
Answer and see the solution →Expand and simplify the expression:
Question 27
4 marks · Normal
Answer and see the solution →Solve the quadratic equation:
Show all working.
Question 28
4 marks · Normal
Answer and see the solution →A rectangle has length and width .
Rectangle with a square cut out A square of side cm is cut out of it.
(a)[1 mark]Write, in simplest form, an expression for the area of the original rectangle.
(b)[1 mark]Write an expression for the shaded area after removing the square.
(c)[2 marks]If the shaded area is , find the value of .
Question 29
2 marks · Normal
Answer and see the solution →Factorise fully:
Question 30
2 marks · Normal
Answer and see the solution →Write down the solution set for the inequality .