The distance between 2 points in this case is Q - P = 3 - (-7) = 10
Halfway between the points would be 3 - 10/2 = 3 - 5 = -2
or, from the other direction... -7 + 10/2 = -7 + 5 = -2
Bill C.
asked • 10/31/19Find the midpoint between P(-7) and Q(3) on a number line
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