Erfana Beevee Binte Hassan Shariff's answer to Alex's Secondary 3 A Maths Singapore question.

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Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
275 answers (Tutor Details)
1st
(a) find equation of PR. Y coord of R is 0. Sub into equation of PR to find x coord.
(b) find coord of Q using info that Q is midpoint of A and C. Then use midpoint formula to check if Q coords is midpoint of P and R.