Interpretation of Rate of Change and Intercepts from Tables, Graphs, Ordered Pairs and Equations

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

•  (0,¹/₂)
• (0,1)
• (0, ^-1/2)
• (0, -1)

^{What is the x- intercept of the line?}

• (1, 0)
• (2, 0)
• ( -1, 0)
• (-2, 0)

What is the y-intercept?

3x + y = 5

• (-3, 0)

• (0,5)

• (5, 0)

• (0, -3)

What is the x-intercept?

3x + 8y = 24

• (8, 0)

• (0, 8)

• (3, 0)

• (0, 3)

What is the y-intercept in the equation x + 2y = 4

• (0, 0)
• (0, 2)
• (4, 0)
• (2, 0)

The graph represents gasoline consumption when driving a certain distance in km.  What is the meaning of the slope?

• The tank started with 50 L of gasoline
• the amount of gasoline consumed per km driven
• the distance it takes to lose a Liter of gas
• the gasoline is leaking because the slope is negative.

Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles.
y=0.5x+10
What does the slope of the graph of this equation represent?

• The daily fee for the moving truck
• The per-mile fee for the moving truck
• How much Charlie paid for the truck
• The number of miles he drove

The equation c = 0.20t + 3.50 shows the relationship between the charge c in dollars for renting a kayak for t minutes.What is the meaning of the y-intercept?

• It costs $3.50 per minute to rent a kayak.
• For $0 you can rent a kayak for 3.5 minutes.
• Every 3.50 minutes, you have to pay $1.00.
• You have to pay $3.50 up front before using the kayak.