Trey’s grandmother has a framed picture with side lengths that are 12 inches. Trey wants to know how much wall space is needed f
1 answer:
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First find the equation of y.
Find the slope m.
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Pick one point, I'll pick (-3, 9). Insert coordinates in equation then compute n.
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The equation of a line y is:
.
The perpendicular line is same like the normal line except its slope m becomes:
.
The equation of a perpendicular bisector is thus:
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Hope this helps.