Finding the Rate of Change and the Initial Value Represented in Graphs, Tables, and Equations

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Tags

CCSS.7.RP.A.2B

Which of the following is the equation format for direct variation?

• y = mx + b

• y = kx

Find the slope:

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• 2

Tags

CCSS.8.EE.B.5

Find the slope of the line that goes through the points (−11,−5) and (1,−12)

Tags

CCSS.8.EE.B.5

Find the slope of the line that goes through the points

(−1,−2) and (−3,−4).

• 1

• 2

• 3

• 4

Tags

CCSS.8.EE.B.5

Find the slope:

• 3/4

• 4/3

• -3/4

• -4/3

Tags

CCSS.8.EE.B.5

Find the slope given the points (2, −7) and (−1, 6). 

• -13/3

• 13/3

• 0

• 2/3

Tags

CCSS.8.EE.B.5

What is the constant of proportionality for this table?

• $1/9 per hour

• $9 per hour

• $8 per hour

• $18 per hour

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality for the following graph?

• 80

• 20

• 40

• 160

Tags

CCSS.8.EE.B.5