Question

Asked Sep 22, 2019

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Question 15, please.

Step 1

a)

The given points are *P* (–5, –6), and *Q* (7, –1).

Let (*x*_{1, }*y*_{1}) = (–5, –6) and (*x*_{2, }*y*_{2}) = (7, –1). Then *x*_{1} = –5, *x*_{2} = 7, *y*_{1} = –6 and *y*_{2} = –1.

Substitute the values *x*_{1} = –5, *x*_{2} = 7, *y*_{1} = –6 and *y*_{2} = –1 in the distance formula to find the distance as follows.

Step 2

Simplify the function as follows.

Step 3

(b)

The coordinates of the midpoint *M *of the line...

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