Calculate the equation of a mirror line that reflects A(2, 7) onto A' (6, -1)

Answers

m of AA1 =

$\frac{7--1}{2-6} \ = -2$

m of mirror line =

$\frac{1}{2}$

Mid point of AA1 =

$\frac{2 + 6}{2}, \frac{7 \pm 1}{2}$

x = 4, 3

$\frac{y - 3}{x - 4} \ = \frac{1}{2}$

y =

$\frac{1}{2} + 1$

raphael answered the question on January 16, 2017 at 12:46

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