slope of parallel and perpendicular lines

Parallel lines have __________ slopes

• Equal

• Opposite

• Reciprocal 

• Total

What slope is parallel to:  
m = 3/4

• 4/3

• 3/4

• -3/4

• -4/3

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

What is the slope of a line perpendicular to a line with slope ^-6/₅ ?

• ^-6/₅

• ^-5/6

• ⁵/₆

• ^-4/₃

What is the slope in the equation:  y=4x+3

• 3

• 4x

• 4

• 3x

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

• Parallel

• Perpendicular

• Neither

Line a passes through (2, 4) and (4, 7)

Line b passes through (-5, 3) and (-3, 6)

Lines a and b are ?

• Parallel

• Perpendicular

• Neither

Line a passes through (0, 3) and (-4, 8)

Line b passes through (0, 5) and (5,9)

Lines a and b are ?

• Parallel

• Perpendicular

• Neither

Find the slope of the line that passes through

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

• 2/11

• -2/11

• 11/2

• -11/2

A line is perpendicular to    y = 2x - 7.
What is the slope of this line? 

• -2

• 1/2

• -1/2

• 2