Mathematics · May / June 2020 · Paper 22 · Question 19
0580
As printed in the paper
The question as text
Make y the subject of the formula. h x y 2 2 2 2 = + y = [3]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
h 2 − x 2 [±] 2 [3]
M1 for correct rearrangement for y or y2 term
M1 for correct square root
M1 for correct division by 2 or 2
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