Question

Cumulative Exam Review

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What is the distance between the points (-4,-8) and (10, -8)?

Answer 1

Explanation:

`d = \sqrt{(x_(2)-x_(1))^(2)+(y_(2)-y_(1))^(2)}\\\\ =\sqrt{(10-[-4])^(2)+(-8-[-8])^(2)}\\\\ =\sqrt{(10+4)^(2)+(-8+8)^(2)}\\\\\\=\sqrt{(14)^(2)+(0)^(2)}\\\\=\sqrt{14^(2)}\\\\ =14 units`