Question

Find the distance between points (4, 0) and (0, −2).
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Answer 1

Answer:

whole root of (0-4)^2 +(-2-0)^2/

whole root of 16+4

√20

2√5

Answer 2

Point A(4,0)

Point B(0,-2)

$AB=\sqrt{(0-4)^2+(-2-0)^2} \\ \\ AB=\sqrt{(-4)^2+(-2)^2} \\ \\ AB=\sqrt{16+4} \\ \\ AB=\sqrt{20}=2\sqrt{5}$

Hope this helps you...