Interpreting slope and y-intercept

The amount of money in Colby's savings account can be modeled by the expression y = 100 + 5x where x is years and y is the total amount in his account. What is the meaning of the y-intercept?

• He saves $100 each year

• He saves 5 dollars each year

• He has $100 in his account to start.

• He has $5 in his account to start.

Tags

CCSS.HSF.LE.B.5

Nan earns additional money to her salary based on sales she makes. Based on the table, how much does she make for each sale?

• $250

• $50

• $200

• $100

Tags

CCSS.HSF-LE.A.1B

Charlie rented a movie truck. The cost can be modeled by the following equation where "C" represents total cost and "m" represents miles driven.

C = 10 + 0.5m

What does the slope represent?

• The per mile cost

• The base fee for renting the truck

• The cost for every hour

• How much money it will cost to rent the truck

Tags

CCSS.HSF.LE.B.5

Which equation represents the scenario?

• y = -15x + 2

• y = 15 + 2x

• y = 15 - 2x

• y = -2x - 15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The graph represents a local swimming pool's membership costs. Interpret the y-intercept.

• It will cost $80 to go to the pool 8 times

• It costs $40 for every 4 visits to the pool

• It costs $40 per visit to the pool

• There is a $40 fee.

Tags

CCSS.HSF.LE.B.5

The graph represents a local swimming pool's membership costs. Interpret the slope.

• It will cost $80 to go to the pool 8 times

• It costs $40 for every 4 visits to the pool

• It costs $5 per visit to the pool

• There is a $40 fee.

Tags

CCSS.HSF.LE.B.5

How many minutes would it take for the cookies to be 240 degrees?

(a)  

Tags

CCSS.HSF.IF.A.2

After 10 minutes how many degrees would the cookies be?

(a)  

Tags

CCSS.HSF.LE.B.5

The table shows the weight of a newborn panda over its first few weeks of life. The panda's weight can be modeled by the equation

y = 4x + 1 where "y" is weight and "x" is weight in pounds. Interpret the slope.

• The panda weighs 1 pound at birth

• The panda weighs 4 pounds at birth.

• The panda gains 1 pound every week

• The panda gains 4 pounds every week

Tags

CCSS.HSF.LE.B.5

The table shows the weight of a newborn panda over its first few weeks of life. The panda's weight can be modeled by the equation

y = 4x + 1 where "y" is weight and "x" is weight in pounds.

What would the panda's weight be after 5 weeks?

• 13

• 17

• 21

• 25

Tags

CCSS.HSF-BF.A.1A