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

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 statement is true?

• A vertical line has a slope of zero.
• A line that contains points in Quadrant I and Quadrant III must have a negative slope.
• A line that rises as you move to the right along the line has a positive slope.
• A horizontal line has no slope.

Tags

CCSS.8.EE.B.5

Which of the following has a y-intercept of 3?

• y = 3x +2
• x=3
• y=2x+3
• y=x

Tags

CCSS.HSF-IF.C.7A

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

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

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the y-intercept?

• 7
• 0
• 1
• 2

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7