For triangle PQR, find equation of altitude PS if co-ordinates of P, Q and R are (1,2), (2,-1) and (0,5) respectively?
A) x - 3y = -7 B) x - 3y = -5 C) x + 3y = 4 D) x + 3y = 7
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9
Answer:
A) x - 3y = -7
Step-by-step explanation:
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Answered by
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option a is correct x minus three y is equal to minus seven
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