Interpreting Slope and Y-Intercepts in Real-World Context

The shipping fee to send a package via US Priority Mail costs $6 per pound and includes a $5 insurance fee. If an equation is written to calculate the shipping charge, what is the slope?​ (a)  

• 6
• 6/5
• 5
• 5/6

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CCSS.HSA.CED.A.2

Luke goes to the fair with $50. Each ride costs $2. If an equation is written to show how much money Luke has at the end of the day, what is the slope and y-intercept?​ (a)  

• slope = 50; y-intercept = 2
• slope =25; y-intercept = 50
• slope = -2; y-intercept = 50
• slope = 25; y-intercept = 2

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CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.1

The table show how much water was in a swimming pool as it was being filled. If you were to use the data to make a graph, what is the slope of the line?

• 3

• 12

• 4

• 24

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CCSS.HSS.ID.C.7

CCSS.HSS.ID.B.6

The cash register deducts $2.50 from a $25 Coffee Cafe gift card for every medium coffee the customer buys. An equation is written to calculate the total amount on the gift card. What is the meaning of the y-intercept in the equation?​ (a)  

• the initial value of the gift card
• the change in the amount of money spent
• the ending value on the gift card
• the amount of money spent each visit

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CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

The graph represents the relationship between time and temperature of a solution during a chemical reaction. What does the y-intercept mean in this situation?

• the temperature at which the time is zero

• the starting temperature is -4 degrees

• the rate at which the temperature is changing

• the time at which the temperature is five

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CCSS.HSS.ID.C.7

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The table shows the wages earned by a cashier during a week. If an equation were written to describe the amount of money earned, which best describes the slope?​ (a)  

• the cashier earns $6.25 per hour
• the cashier earns $6 per hour
• the cashier earns $12.50 per hour
• the cashier earns $8 per hour
• the cashier earns $12 per hour

Tags

CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

The graph shows the altitude of a car as a driver descends down a mountain. What is the meaning of the y-intercept?​

• the driver ascended 1500 ft. up the mountain at the end of the trip.

• the driver reached the base of the mountain after 6 hours

• the height at which the driver started was 1500 ft.

• the driver descended at 300 ft an hour

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

The graph represents the amount John pays for his cell service; a joining fee plus a charge for each minute he uses the phone. What does the y-intercept indicate?​ (a)  

• his initial/joining fee is $20
• his monthly fee is $0
• his rate per minute is $0.40
• his rate per minute is $0.20

Tags

CCSS.HSS.ID.C.7

Some students collected the data in the table. They will graph the data. What will the slope of the graph represent?​ (a)  

• the change in the average temperature per month
• the change in the average temperature per day
• the high temperature for the sampling period
• the range of the temps for the sampling period
• the number of months in the sampling period

Tags

CCSS.HSS.ID.C.7

Eva saw this graph in a fitness magazine. Which does the slope of the graph represent?​ (a)  

• calories burned per mile walked
• total calories burned
• total distance walked
• miles walked per hour

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CCSS.HSS.ID.C.7

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7