Q1 of 84 Page 114

Find the distance between the following pairs of points.

(−2, −8) and (−4, −6)

Formula used:


(–2, –8) and (–4, –6)


x1 = –2 and x2 = –4


y1 = –8 and y2 = –6


⇒ D = √ ((–4 – (–2))2 + (–6 – (–8))2)


⇒ D = √ ((–4 + 2)2 + (–6 + 8)2)


⇒ D = √ ((–2)2 + (2)2)


⇒ D = √ (4 + 4)


⇒ D = √ 8


⇒ D = √ (2 × 2 × 2)


⇒ D = 2√ 2


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