Elpa21 Day 1

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

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

What is the rate of change of this linear function?

• m= -2/3
• m=3/2
• m=-3
• m=2

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the y-intercept?

• 7
• 0
• 1
• 2

What is the equation of the line graphed here?

• y=-x-2
• y=-2x-2
• y=x-2
• y=2x-2

What is the rate of change of this linear function?

• Undefined
• 0
• 1
• -1

Tags

CCSS.8.EE.B.5

Which equation represents the graph?

• y = 3x + 15
• y = 1/5 x + 15
• y = -1/5 x + 3
• y = 15x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation matches the graph?

• y = 4x
• x = 4
• y = x + 4
• y = 4

Determine which of the following is a solution to the linear function
 y = 3x - 10

• (1, -13)
• (0, 10)
• (2, -4)
• (-3. -1)

The commission of a sales representative can be modeled by C(x) = 4x - 10, where x is the number of items sold.  If the sales representative sales 30 items, how much commission will they earn?

• $20
• $120
• $5
• $110

Tags

CCSS.HSF.LE.B.5

What is the value of y in the function  
y = 1/2 x + 10  when x = 24?

• 22
• 58
• 12
• 29

Tags

CCSS.HSF.IF.A.2