Past Paper Example 1
GCSE Jun 2017 1F Q19
4 marks
(a) Solve 4(x – 5) = 18 (2) (b) –3 < t ⩽ 2, t is an integer. Write down all possible values of t. (2)
(a) Solve 4(x - 5) = 18 [2 marks]
(b) Write down all the possible values of t. [2 marks]
Worked Solution & Mark Scheme (4 marks)
Part (a) Solution:
4x – 20 = 18 M1
⇒ 4x = 38
⇒ x = 9.5 A1
⇒ 4x = 38
⇒ x = 9.5 A1
Answer (a): x = 9.5
Part (b) Solution:
Integers strictly greater than –3 and up to 2: –2, –1, 0, 1, 2 M1 A1
Answer (b): –2, –1, 0, 1, 2