Perpendiculars and Distance

Find the distance from point P to line l. Line l is y=x-3. Point P has coordinates (4,3).

Find the distance from point P to line l. Line l is y=1. Point P has coordinates (-2,4).

• 3 units

• 2 units

Find the distance between the pair of lines given their equations, y=5x-22 & y=5x+4.

Find the distance between the pair of lines given their equations, y=-2 & y=4

• 6

• -6

• 2

• -3

• Yes, because the slopes are negative reciprocals.

• Yes, because the lengths are different.

• No, because the midpoints are not the same.

• No, because the slopes are not the same.

Which of the following lines goes through the point        (-3, 4) and is perpendicular to  y = 3/2x + 6?

• y = 3/2x - 6

• y = 2/3x + 3

• y = -2/3x - 2

• y = -2/3x + 2

• 5 units

• 6 units

• 8 units

• 10 units

Are the two linear equations parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Are the two linear equations parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Find the slope of a line perpendicular to the red line

• -2

• 2

• 1/2

• -1/2