Mathematics · May / June 2021 · Paper 22 · Question 16
0580
As printed in the paper
The question as text
A is the point (5, 7) and B is the point (9, 1 - ).
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
16(a)[3]
8.94 or 8.944… [3]
M2 for ( 2 2 9 − 5 ) + −− ( 1 7 ) oe 2 2
or M1 for ( 9 − 5 ) + −− ( 1 7 ) oe
16(b)[3]
y = –2x + 17 oe final answer [3]
B2 for answer –2x + 17 OR
M1 for 1 −− 7 oe 9 − 5
M1 for correct substitution of (5, 7) or (9, –1) into y = their mx + c oe
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