Linear Functions

Identify the slope and y-intercept of:
y = 1/5x + 5

• slope: 1/6   y-intercept:  4 
• slope: 1/5   y-intercept:  5 
• slope: 5/1   y-intercept:  5 
• slope: 1   y-intercept:  5 

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Identify the slope and y-intercept of:
y = 3 -x

• slope:-1   y-intercept:  3
• slope: 1/5   y-intercept:  5 
• slope: 1    y-intercept:  -3
• slope: -1   y-intercept:  -3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write a rule:  A plumber charges $50 for a house call plus $12 per hour for labor.

• y = 50 x + 12
• y = 50 + 12 x
• y = 62 x
• x = 50 + 12y

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write a rule :  Miles has joined a weight loss program.  His weight is 225 lbs and he is losing weight at a rate of 3 lbs per week.

• y = 222 x
• y = 225 + 3 x
• y = 225 - 3x
• y=225x - 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the y-intercept in the equation?

y = 5x - 4

• (0,5)

• (0,-4)

• (-4,0)

• (5,0)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

Tags

CCSS.8.EE.B.5

What is the y-intercept for the given graph?

• (0,-5)

• (0,5)

• (0,1)

• (0,-1)

Find the slope of the line.

• 1/2
• -1/2
• 2
• -2

Tags

CCSS.8.EE.B.5

Which is the graph of y=-x+2?

• A
• B
• C
• D