How to find out if lines are perpendicular

Practice Questions

ACT Math › How to find out if lines are perpendicular

Questions

9

1

Which of the following lines is perpendicular to the line ?

2

Which of the following lines is perpendicular to the line with the given equation:
?

3

Are the following two lines parallel, perpendicular, or neither:

and

4

Are the following two lines perpendicular:
$y = -7x + -4\textup{ and }y=\frac{1}{7}x-7\textup{?}$

5

Which of the following equations represents a line that is perpendicular to the line with points and ?

6

Are the following two lines perpendicular:

and

7

Are the lines described by the equations $y=-\frac{2}{3}x +7$ and $y=-\frac{3}{2}x +2$ perpendicular to one another? Why or why not?

8

Line , which follows the equation , intersects line at . If line also passes through , are and perpendicular?

9

Which of the following lines is perpindicular to

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