Representing Linear Situations

For lunch, Amanda had a hamburger and some potato chips. The hamburger totaled 325 calories and each chip had 12 calories. Write a liner equation to represent the situation.

• y = 12 + 325

• y = 12x  + 325

• y = 325 - 12x

• y = 325x + 12

Tags

CCSS.6.EE.C.9

Karen is renting a studio apartment in Los Angeles, CA for $900 each month with a deposit of $1000. She is moving across the country to Atlanta, Georgia for a new job. Her new apartment is $850 per month and requires a $1000 deposit. Which statement best describes the change in the equations?

• The slope increased by 50. 

• The slope decreased by 50. 

• The y intercept increased by 50. 

• The y intercept decreased by 50.

Vroom Car Shop charges an hourly labor fee plus the cost of the parts to fix a vehicle.
 Jenny’s equation to fix her car is y = 65x + 110.
Henry goes to the same shop and his equation is y = 65x + 80.
Which statement best describes the change?

• The hourly rate was increased.

• The hourly rate was decreased.

• The cost of the parts was more expensive.

• The cost of parts was less expensive.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Olivia is growing roses and keeps track of how much fertilizer (in ounces) she adds to the soil and how many blooms each rose bush has.
She finds a linear relationship that can be modeled by the equation y = 1.345x + 4.
What does the 1.345 mean in the context of the problem?

• That for every additional bloom on the rose bush she added 1.345 ounces of fertilizer.

• That for every ounce of fertilizer she adds there is an additional 1.345 blooms on the rose bush

Tags

CCSS.HSF.LE.B.5

Ted researched the price of airline tickets and discovered a correlation between the price of a ticket and the number of miles traveled. After recording his data on a scatter plot, he determined the equation for the line of best fit is y = 0.45x + 300. What does 0.45 represent in the equation?

• the lowest ticket price

• the number of miles traveled

• the expected change in the price of multiple tickets

• the expected change in price of the ticket for each mile traveled

Tags

CCSS.HSF.LE.B.5

The graph shows the population growth of a school from year to year. What is the rate of change in terms of number of students per year?

• 2 students per year

• 100 students per year

• 200 students per year

• 400 students per year

Tags

CCSS.HSF.IF.B.4

Who is losing weight faster?

• Valerie

• Oscar

• Mrs. Conte

• They are losing the same amount of weight

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Who weighed more at the beginning of the show?

• Valerie

• Oscar

• Mrs. Conte

• They weighed the same

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which company pays the most per pizza?

• Bombinoe's Pizza

• Little Squeezer's Pizza

• Pizza Tent

• Papa Ron's 

Tags

CCSS.8.EE.B.5

Dev keeps a record in graph form of how far his car travels and the number of gallons of gasoline it uses.
What is the rate of change of the graph?

• 64

• 128

• 32

• 16

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6