Equation of Parallel and Perpendicular Lines

Write an equation of a line that passes through the point (-9,2) and is perpendicular to the line y = 3x - 12

• y = (-1/3)x - 1

• y = (1/3)x - 2

• y = -3x + 12

• y = 3x - 1

Write the equation of a line PERPENDICULAR to y = -2x + 1 that passes through the point (2, 3).

If two lines are parallel their slopes are  ____________

• the same.

• negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

If two lines are perpendicular to each other their slopes are ____________

• the same.

• negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

Are the equations parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Write the equation of a line PARALLEL to y = 2x + 3 that passes through the point (3, 1).

Write the equation of a line PERPENDICULAR to y = -2x + 1 that passes through the point (2, 3).

What is the equation of a line parallel to the following line that passes through the given point? 
y = -4x + 6      (2, -1)

• y = 1/4x + 6

• y = -4x + 7

• y = -4x + 2

• y = 1/4x -1 

What is the equation of a line that is perpendicular to this line and goes through the given point?
y = 3x + 2      (3, -4)

• y = 3x - 2

• y = -1/3x - 5

• y = 3x - 4

• y = -1/3x - 3

Use the equations given to determine if the following lines are parallel, perpendicular, neither or both.
y=4x-2
y-3=-1/4(x-8)

• parallel

• perpendicular

• neither parallel nor perpendicular

• both parallel and perpendicular

Tags

CCSS.8.EE.B.6