Parallel Perpendicular or Neither Graph

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

What is the slope of a line perpendicular to -10/3

• -10/3

• 10/3

• 3/10

• -3/10

• Parallel

• Perendicular

• Neither

Which two lines are parallel?

• Line A and Line B

• Line A and Line C

• Line B and Line C

Which is the equation of the line that is PARALLEL to the graph of y = 5x + 7 and has a y-intercept at (0, -2)?

• y = 5x - 2

• y = -2x + 7

• y = 5(x - 2)

• y = -1/5x - 2

If two lines are parallel their slopes are  ____________

• the same.

• negative reciprocals of each other.

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

• the same.

• negative reciprocals of each other.

Parallel lines have __________ slopes

• Equal

• Opposite

• Reciprocal 

• Total

What is the slope of a line perpendicular to 5?

• 5

• 1/5

• -1/5

• -5