Linear Functions Part 2 Study Guide

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

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

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

Tags

CCSS.8.EE.B.5

What slope is perpendicular to:  
m = 5/8

• -5/8
• 5/8
• -8/5
• 8/5

Tags

CCSS.8.EE.B.6

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

Determine whether the relation is a function.

• Yes
• No

Tags

CCSS.8.F.A.1

• Function
• Not a Function

Tags

CCSS.8.F.A.1