Linear Functions and Proportionality

What does 'b" represent in y=mx + b

• y-intercept

• macaroni

• nothing

• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Determine the slope and y-intercept.         y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 

• slope: 3/2   y-intercept:  (0,3) 

• slope:  4  y-intercept:  (0,3/2)

• slope: 1/5   y-intercept:  (0,5) 

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

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

• 45

• 90

• 135

• 2

Tags

CCSS.7.RP.A.2B

Write the equation of the line.

• y=(3/5)x+1

• y=(3/5)x-1

• y=(5/3)x+1

• y=(3/5)x+1

Write the equation for the line.

• y= -1x+3

• y= 4x+3

• y=(1/4)x+3

• y= -4x+3

What is the y-intercept?
y = 6x - 4 

• 6/1

• 1/6

• -4

• 4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of all horizontal lines?

• 0

• undefined

• 1

• -1

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• Undefined

• 0

• 1

• -1

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• Undefined

• 0

• 1

• -1

Tags

CCSS.8.EE.B.5

Slope is another word for:

• Initial Value

• Rate of Change

• Change in Y's

• Y-intercept

Tags

CCSS.8.EE.B.5