Proving Perpendicular Lines

Which of the following represents the equation of the line passing through (-4, 5) PERPENDICULAR to the line y = -1/2x + 5/2?

• y = 2x + 13

• y = 2x + 5

• y = -1/2x + 3

• y = -1/4x + 11/2

Determine the equation of the line that is PERPENDICULAR to the line 3x + 12y = 1 and contains the point (-2, 6).

• y = 4x + 6

• y = 4x + 14

• y = 3x + 12

• y = -1/4x + 11/2

Which of the following equations represents the line passing through point A and PERPENDICULAR to the given line?

• -2x + 3y = 10

• 2x + y = 6

• 3x + 2y = -4

• -3x - 2y = 2

Which of the following is perpendicular to 4x - 3y = 8?

• -4x - 3y = 8

• 6x + 8y = 9

• -8x + 12y = 7

• -8x + 6y = 5

Which equation describes a line that is perpendicular to the line y = -2/7x + 4/7 and contains the point (-6, 5)?

• y = 7/2x + 26

• y = 7/2x - 16

• y = 7/2x - 26

• y = 7/2x + 16

Two lines that are perpendicular lines have ...

• Slope that is opposite reciprocals

• No Slope

• Slope that is the same

• none of the above

Write the equation of a line that is perpendicular to the x-axis and goes through the point (-3, 3).

• x = 3

• x = -3

• y = 3

• y = -3

What direction is an undefined slope?

• horizontal
• vertical

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

Are these two lines parallel, perpendicular or neither?
y = -1/3x - 5
y = 1/3x + 2

• Parallel
• Perpendicular
• Neither