Perpendicular and Parallel Lines Equations

Are these lines perpendicular?
y = (1/2)x + 2
y = -2x + 13

• YES

• NO

Write an equation of a line that passes through the point (-2,3) and is perpendicular to the line x = 4

• y = 3

• x = -3

• y = -3

• x = 3

Are these lines parallel?

y = (-1/2)x + 1

y = (1/2)x - 5

• YES

• NO

y = -2/3x + 2 y = 3/2x + 9 These lines are...

• Parallel

• Perpendicular

• Neither

y = x + 9 y = -x + 6 These lines are...

• Parallel

• Perpendicular

• Neither

Write an equation of a line that passes through the point (5,-1) and is parallel to the line y = (-3/5)x -3

Slopes of perpendicular lines are...

• opposite and reciprocal.

• opposites.

• the same.

• reciprocal.

What slope is parallel to:  
m = 4

• 4

• -1/4

• -4

• 1/4

What slope is perpendicular to:  
m = 3

• -3

• -1/3

• 1/3

• 3

Write an equation of a line that passes through the point (5,-1) and is perpendicular to the line y = (-3/5)x -3