Math 11 - Lesson 3.5.1: Perpendicular bisectors

Write the equation of the perpendicular bisector of the line AB given:

A(1,3) & B(-3,5)

• y = 2x + 4

• y = 2x + 2

• y = -2x + 6

• y = 2x - 6

• none of those

Write the equation of the perpendicular bisector of the line AB given:

A(3,1) & B(-3,6)

• y = -5/6x + 7/2

• y = 6/5x + 9/2

• y = 6/5x + 7/2

• y = 6/5x + 4

• none of those

What is the equation of a line that is perpendicular to the line

y = 3x - 6 and passes through the point (15,5).

• y = -3x + 10

• y= 1/3x +10

• y = -1/3x +10

• y = 3x -15

• none of those

Write an equation for a line perpendicular to

y = -5x + 3 through (-5, -4)

• y = -3x + 1/5

• y = -3x - 1/5

• y = 1/5x - 3

• y = -1/5x - 3

• none of those

Write an equation of a line perpendicular to

y = 2x + 3 through (-2, 4)

• y = -3/2x + 3

• y = 3/2x + 3

• y = -1/2x + 3

• y = 3x - 3/2

• none of those

A line is perpendicular to y = 2x - 7.

What is the slope of this line?

• -2

• 1/2

• -1/2

• 2

• none of those

Slopes of perpendicular lines are...

• negative reciprocals

• opposites

• identical

• flipped

• none of those

Find the slope of the line that passes through

(-4, 7) and (-6, -4)

• 2/11

• -2/11

• 11/2

• -11/2

• none of those

Write the equation of the perpendicular bisector of the line AB given:

A(3,-3) & B(1,-1)

• y = x - 4

• y = x + 4

• y = 1/2x -4

• y = x + 2

• none of those

What is the midpoint between (3, -1) and (7, -5)

• (5, -2)

• (10, -6)

• (5, -3)

• (2, -2)

• none of those