Quiz:Parallel & Perpendicular lines

Line 1: (15, 20), (17, 18)

Line 2: (-22, -18), (-20, -16)

The two lines are _____________________.

• Parallel

• Perpendicular

• Neither

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

• Parallel

• Perpendicular

• Neither

Choose ALL the lines PARALLEL to the following line: y = 2/9x - 7

• y = 2/9x + 8

• y = 9/2x -12

• -2y = 9x + 8

• 9y = 2x -18

Select ALL of the lines that are PERPENDICULAR to y = 3/4x + 9

• y = 3/4x - 3

• y = -3/4x + 9

• y = -4/3x + 8

• 3y = -4x + 5

• 4y = -3x + 7

y = 6x + 2

y = -6x + 2

These lines are...

• Parallel

• Perpendicular

• Neither

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

A line is parallel to   y = 2x - 7.
What is it's slope?

• -2
• 1/2
• -1/2
• 2

What is the slope of a line perpendicular to the line whose equation is: $-2x+y=-7$ ?

• -2

• 1/2

• -1/2

• 2

Line 1: $\left(-1,\ 2\right),\ \left(2,\ 3\right)$  
Line 2:  $\left(0,\ 0\right),\ \left(3,\ 1\right)$  
These two lines are ______________________

• Parallel

• Pependicular

• Neither

Which of the following lines is PARALLEL to the graph of 5x + 2y = 8?

• 2x + 5y = 8

• 5x - 2y = 6

• -10x - 4y = 7

• -10x + 4y = 9