Home > AC > Chapter 8 > Lesson 8.2.2 > Problem 8-57
8-57.
For the line
What is the
-intercept? The
-intercept is where . Subtract
from both sides. Divide by
on both sides. The
-intercept is . What is the slope of any line perpendicular to the given line?
The slope of a line perpendicular to another line is the negative reciprocal of the other line's slope.
Example:
Line (a):The line perpendicular to line (a) has the slope