You can put this solution on YOUR website! Find the distance between each pair of points.
(-3,0) and (4,0)?
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Formula:
distance = sqrt[(change in y)^2 + (change in x)^2]
Your problem:
d = sqrt[(4--3)^2 + (0-0)^2]
d = sqrt[49 + 0]
d = sqrt[49]
d = 7
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Cheers,
Stan H.