Mathematics · Oct / Nov 2025 · Paper 22 · Question 17
0580
As printed in the paper
The question as text
Í is the point (Á3, 1) and î is the point (Á5, 9). Íî is a diagonal of the kite AÍCî.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
17(a)[5]
3 17 cao [5]
B4 for answer equivalent to 3 17 but not in the correct form e.g. 3 68 , 2 6 17 , 153 2 OR
B3 for 68 or 2 17
or M2 for (9 – 1)2 + (–5 – – 3)2 oe
or M1 for (9 – 1) or (–5 – – 3) oe and 3 ×
M1 for their 68 oe 2
17(b)[2]
(– 4, 5) [2]
B1 for each coordinate
17(c)[4]
y = 1 4 x + 6 final answer [3]
− 4
M1 for [ ]9 1 grad BD = −−− oe 5 3 −
M1 for [ ] 1 = grad AC their grad BD
M1 for their (– 4, 5) substituted into y = their mx + c oe
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