Question

what is the x-intercept of the perpendicular line to y-3=3(x+1)

Answer 1

\[y-3=3(x+1)\]\[y-3=3x+3\]\[y=3x+6\]the perpendicular slope is "negative multiplicative inverse" so, \[y= \frac{1}{3}x+6\]to find x-intercept make y=0.
\[0=\frac{1}{3}x+6\]\[-\frac{1}{3}x=6\]\[x=-18\]

Answer 2

your awesome thanks :)

Answer 3

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