review for Modeling with Linear Function test

A 7-inch candle burns at a rate of 2-inches per hour. Which equation represents the relationship between y, the height of the candle in inches, and x, the number of hours the candle burns?

• y=2x+7

• y=-2x+7

• y=2-7x

• y=7x+2

d=125 + 80n models the amount of money (d) in the register after selling n tickets. How much money does she have in the register before selling any tickets? 

• $125
• $80
• $205
• $45

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

• A
• B
• C
• D

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which panda is growing faster?

• Mochi
• Kappa
• Po the dragon warrior
• Jack Black

What is the way to describe the rate of change?

• Number of units of electricity per cost
• Cost per number of units of electricity

Which statement matches the graph?

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

What is the meaning of the slope?

• You will receive $4 per paper delivered.
• You will receive $5 per paper delivered
• You will receive $20 per paper delivered
• You will receive $20 for the day

Which of the following points is a y-intercept?
(-2,3) (4, -2) (0, 5) (-9,0)

• (-9,0)
• (-2,3)
• (4,-2)
• (0,5)

Write an equation for the word problem: 
A tree was planted when it was 10 inches tall. It grows 3 inches per week.

• y = 3x
• y = 10x + 3
• y = 10x
• y = 3x + 10