If P( a, 4) is a mid-point of the line segment joining the points Q ( -6, 5) and R ( -2, 3), then find the value of a?
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Answer:
a = -4
Step-by-step explanation:
Formula for mid point = [(x1 + x2) / 2 , (y1 + y2) / 2]
(-6 -2) / 2 = -4
Hence, a = -4
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