find the distance between the pair of points (-1, -4) and (-5, -7)
find the distance between the pair of points (-2, -6) and (7, -3)
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by distant formula
√[-1-(-5)]²+[-4-(-7)]²
√(-1+5)² +(-4+7)²
=√(4)²+(3)²
=√16+9
=√25
⇒+5 unit
2nd part
√[-2-7]²+[-6-(-3)]²
⇒√(-9)²+(-6+3)²
⇒√81+9
⇒√90
⇒3√10unit
√[-1-(-5)]²+[-4-(-7)]²
√(-1+5)² +(-4+7)²
=√(4)²+(3)²
=√16+9
=√25
⇒+5 unit
2nd part
√[-2-7]²+[-6-(-3)]²
⇒√(-9)²+(-6+3)²
⇒√81+9
⇒√90
⇒3√10unit
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