Question

The distance between the points P(-1, 1) and
g (5, -7) is _____​

Answer 1

Answer:

$d = \sqrt{(5 - ( - 1)) {}^{2} + ( - 7 - 1) {}^{2} }$

$d \: = \sqrt{(6) {}^{2} + ( - 8) {}^{2} }$

$d = \sqrt{36 + 64} = \sqrt{100} = \sqrt{(10) {}^{2} }$

$d = 10 \: units$

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