SOLUTION: Given a coordinate system on a line. The coordinate of P is 9 and the coordinate of Q is - 15, what is the coordinate of M if MP = MQ?

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Question 1185759: Given a coordinate system on a line. The coordinate of P is 9 and the coordinate of Q is - 15, what is the coordinate of M if MP = MQ?
Answer by ikleyn(52835) About Me  (Show Source):
You can put this solution on YOUR website!
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Coordinate M is arithmetic mean of coordinates P and Q


    M = %28P+%2B+Q%29%2F2 = %289+%2B+%28-15%29%29%2F2 = -6%2F2 = -3.     ANSWER

Solved.