Interpreting Slope and Y-intercepts

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

Tags

CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7

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.

Tags

CCSS.7.RP.A.2D

The table represents a used car salesman's monthly salary including commission made on the sale of cars.  What is the y-intercept and what does it represent?

• The y-intercept is $850/car and it represents the commission per car sold.
• The y-intercept is $1500/car and it represents the commission per car sold.
• The y-intercept is $1500 and it represents the monthly salary before commission.
• The y-intercept is $2775 and it represents the monthly salary before commission.

Tags

CCSS.HSF.LE.B.5

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 slope of the equation?

• For $1.00, you can rent a kayak for 20 minutes.
• It costs $0.20 per minute to rent the kayak.
• You have to pay $0.20 up front before using the kayak at all.
• Every .2 minutes, you have to pay $1.00.

Tags

CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7

What does the slope represent in this situation?

• The sloth runs 1 feet in 3 minutes
• The sloth runs 3 feet in 1 minute
• The sloth runs fast
• The sloth runs 6 feet in 1 minute

Tags

CCSS.HSS.ID.C.7

What is the meaning of the y-intercept?

• The hamburger will cost $1.90 without any toppings.
• The hamburger will cost $1.40 without any toppings. 
• The cost of the hamburger is $1.90 with one topping
• The cost of the hamburger doesn't change no matter how many toppings there are.

Tags

CCSS.HSA.SSE.A.1

CCSS.HSS.ID.C.7

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change? 

• 200
• 150
• 300
• 75

Tags

CCSS.HSS.ID.C.7

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

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSS.ID.C.7

The cost of staying at a hotel can be found using the function y=129x+9.95, where x is the number of days a guest stays at the hotel and y is the cost in dollars. The cost includes a flat fee for Internet access. If the fee for Internet access is not included, which statement is true?

• The cost is $9.95 less per day
• The cost is $9.95 less
• The cost is $9.95 more per day
• The cost is $9.95 more

Tags

CCSS.HSA.SSE.A.1

What is the meaning of the y-intercept?

• Mrs. Franklin's meal will cost $6.85 if she brings no grandchildren. 
• Mrs. Franklin's meal will cost $2.95 if she brings no grandchildren. 
• Mrs. Franklin's bill will increase by $2.95 for every grandchild she brings. 
• Mrs. Franklin's meal will decrease by $2.95 for every grandchild she brings.

Tags

CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7