Chapter 5 Linear Functions - Alg 1

What equation models the relationship between x and y in ALL of the ordered pairs: (2, 8), (4, 14), (6, 20)?

• y = x + 6

• y = 2x + 4

• y = 3x + 2

• y = 4x - 4

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Bob reads a book at a steady pace. At 0 hours he has 28 chapters to read and at 7 hours he has 0 chapters to read. Which of the following best describes Bob's rate?

• - 4 chapters per hour

• - 4 hours per chapter

• 4 chapters per hour

• 4 hours per chapter

Tags

CCSS.HSF.IF.B.4

y varies directly with x. When y is 16, x is 32. Which equation represents this situation?

• y = 32x
• y = 16x
• y = 2x
• y = (1/2)x

Tags

CCSS.HSF.LE.A.2

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSA.CED.A.1

CCSS.HSF.LE.A.1

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 :  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.HSF.LE.A.2

CCSS.8.F.B.4

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

Tags

CCSS.8.EE.B.5

Which of the following is NOT a function?

• y = 4
• x = 3
• y=2x
• y=x

Tags

CCSS.8.F.A.1

An ice cream party costs $25 plus $3 per person that attends. Write an equation and use the equation to determine how much a party for 20 people would cost.

• C = 3p + 25; $85

• C = 3p - 25; $35

• C = 3p + 28; $88

• C = 3p + 22; $82

Tags

CCSS.HSF-BF.A.1A

Transform from standard form to slope intercept form:    2x-3y=10

• y=-2x+10
• y= 2/3x-10/3
• y=-2/3x+ 10/3
• y=2/3x+10

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Name the x- and y-intercepts for the equation:
5x - 3y = 15

• (3, 0) and (0, -5)
• (0, 3) and (-5, 0)
• (5, 15) and (15, 3)
• (0, -3) and (5, 0)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10