Mathematics · May / June 2023 · Paper 22 · Question 18
0580
As printed in the paper
The question as text
Make x the subject of the formula. c x x 2 5 3 = - x = [4]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
5 c oe final answer − 2 c 3 [4]
M1 for correctly clearing the denominator and expanding bracket or correctly clearing the denominator and dividing by c
M1 for correctly collecting terms in x on one side and terms not in x on the other
M1 for correct factorising
M1 for correct division dependent on x appearing only once in a factorised expression Maximum 3 marks for an incorrect answer
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.

