linear functions

Is this function linear or nonlinear?

• Linear
• Nonlinear

Tags

CCSS.8.F.A.3

You plan to go snowboarding. The resort charges $15 an hour in addition to $25 to rent a board. Write an equation that represents the cost to go snowboarding for the day.

• y=15x-25
• 15x+25y=100
• 25x+y=15
• y=15x+25

• A
• B
• C
• D

Tags

CCSS.HSA.REI.D.10

Write -4x+2y=-6 in slope intercept form.

• y=-2x+3
• y=2x+3
• y=2x-3
• y=-2x-3

Find the slope given the following points: (5,1) and (3,1)

• m=1/4
• m=0
• m=1
• m=undefined

_{What is the y-intercept of the line?}

• y = 1/2
• y = 1
• y = -1/2
• y = -1

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Is this an Arithmetic sequence? 5, 4.25, 3.5, 2.75

• Yes
• No

Tags

CCSS.HSF.BF.A.2

What is the RANGE of this graph?

• -7<x<5
• -7≤x<5
• -3<x<1
• -3≤x<1

Is this mapping a function or not a function? 

• Function
• Not a Function

find f(3)
f(x) = x² + 4x - 8

• 10
• 13
• 14
• 29