Slope and Parallel and Perpendicular Lines

Write an equation of a line that passes through the point (7,10) and is perpendicular to the line y = (1/2)x - 9

• y = -2x - 24

• y = -2x + 12

• y = -2x  + 24

• y = (1/2)x - 12

What slope is parallel to:  
m = 3/4

• 4/3

• 3/4

• -3/4

• -4/3

Tags

CCSS.8.EE.B.5

Parallel lines have __________ slopes

• Equal

• Opposite

• Reciprocal 

• Total

Tags

CCSS.8.EE.B.5

Which equation is parallel to:
y = 5/7x +2

• y = -7/5x +1

• y = 7/5x +4

• y = -5/7x -3

• y = 5/7x +5

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

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

Which is the equation of the line with slope 3 and y-intercept 5.

• y = 3x + 5

• y = 5x + 3

• y = 3/5x

• y = 5/3x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

Tags

CCSS.8.EE.B.6

Find the slope:

• 3/4

• 4/3

• -3/4

• -4/3

Tags

CCSS.8.EE.B.5

The slopes of parallel lines are...

• the same

• opposite

• always different

Tags

CCSS.8.EE.B.6

Two lines that are perpendicular lines have ...

• Slope that is opposite reciprocals

• No Slope

• Slope that is the same

• none of the above

Tags

CCSS.8.EE.B.6