Slope (Parallel and Perpendicular Lines)

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

What slope is perpendicular to:  
m = 5/8

• -5/8
• 5/8
• -8/5
• 8/5

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

Slopes of parallel lines are...

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

Slopes of perpendicular lines are...

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

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

• Parallel
• Perpendicular
• Neither

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel
• Perpendicular
• Neither

Which represents slope intercept form?

• y = mx + b
• y = b + mx
  ax+ by = c
• x + y = b
• xy + b = 0

What is the equation of a line parallel to the following line that passes through the given point?

y = -4x + 6 (2, -1)

• y = 1/4x + 6

• y = -4x + 7

• y = -4x + 2

• y = 1/4x -1