Slope and Their Graph

Slopes of Perpendicular lines are __________?

• Opposite

• Reciprocals

• Opposite Reciprocals

• Equal

Tags

CCSS.8.EE.B.6

Are the lines Perpendicular? How do you know? Line 1 runs through the point (0, -1) and (7, 1) Line 2 runs through the point (-1, 4) and (2, -5)

• Yes, their slopes are opposite reciprocals

• No, their slopes are not opposite reciprocals

• Yes, their slope are the same

• No, their slopes are not the same

Tags

CCSS.8.EE.B.6

Are the given lines parallel? How do you know?

• No, they do not have the same slopes.

• No, their slopes are not opposite reciprocals.

• Yes, their slopes are opposite reciprocals.

• Yes, their slopes are the same.

Tags

CCSS.8.EE.B.6

Are the given lines, parallel, perpendicular, or neither. Explain.

• Parallel, they have the same slopes.

• Perpendicular, because their slopes are opposite reciprocals.

• Neither, because their slopes are not the same and are not opposite reciprocals.

• Neither, because their slopes are zero.

Tags

CCSS.8.EE.B.6

How can you find the slope of a line?

• Run over Rise

• Change of x over change of y

• Use the Slope Formula

• Count

Tags

CCSS.8.EE.B.5

What is the slope of this line?

• m = 0

• m = undefined

• m = 5

• m = ¹/5

Tags

CCSS.8.EE.B.5

Consider the equation:
y=-x+4
Identify the slope and
 y-intercept.

• m=4, b=-x

• m=-x, b=4

• m=1, b=4

• m=-1, b=4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which line has a
positive slope?

• Blue

• Red

• Purple

• Green

Tags

CCSS.8.EE.B.5

Determine the slope between
 (4,2) and (-3,5).

• 3/1

• -7/3

• 3/7

• -3/7

Tags

CCSS.8.EE.B.5

What is the y-intercept

• (2,0)

• (0,2)

• (0,-2)

• there is no y-intercept