Perpendicular Lines/Parallel

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

Which equation is being represented by this line?

• y = -1x + 2
• y = 1/2x + 2
• y = 3x -4
• y = -3x +2

Write an equation in slope-intercept form that goes through the points (-3, -4) and (3, 4)

• y = 3/4x + 4

• y = 3/4x

• y = 4/3x

• y = 4/3x + 4

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.

What slope is parallel to:  
m = 4

• 4
• -1/4
• -4
• 1/4

What slope is perpendicular to:  
m = 5/8

• -5/8
• 5/8
• -8/5
• 8/5

What slope is perpendicular to:  
m = 3

• -3
• -1/3
• 1/3
• 3

y = 5/7x +2
y = 5/7x - 30
These lines are...

• Parallel
• Perpendicular
• Neither

y = 6x + 2
y = -6x + 2
These lines are...

• Parallel
• Perpendicular
• Neither