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Mathematics
7th -
9thgrade
EOG Review (Extra) - Representing Linear Functions Practice
14 questions
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- 1. Multiple Choice
1. A plant is 5cm tall and growing at a rate of 3cm a month.
5 + 3
5x + 3
3x + 5
- 2. Multiple Choice
Which of the following situations could be descried by the equation y= -25x + 120?
There are 120 people in the football stadium, and 25 more are entering each hour.
A plumber charges $25 for a house call and $120 per hour.
A teacher has 120 students. Her third period has 25 students
There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute
- 3. Multiple ChoiceFor 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 + 325y = 12x + 325y = 325 - 12xy = 325x + 12
- 4. Multiple Choice
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? Hint: (900, 1000) (850, 1000)
A. The slope increased by 50.
B. The slope decreased by 50.
C. The y intercept increased by 50.
D. The y intercept decreased by 50.
- 5. Multiple ChoiceVroom 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. - 6. Multiple ChoiceOlivia 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?A)That for every additional bloom on the rose bush she added 1.345 ounces of fertilizer.B)That for every ounce of fertilizer she adds there is an additional 1.345 blooms on the rose bush - 7. Multiple Choice
The graph shows the population growth of a school from year to year. What is the rate of change (slope) in terms of number of students per year?
A) 2 students per year
B) 100 students per year
C) 200 students per year
D) 400 students per year
- 8. Multiple ChoiceSven investigates the amount of damage to the head gaskets on the trucks in his fleet and find that the damage index depends on the ambient temperature. He develops the equation y = -23x + 14 to model the relationship. What does 14 mean?A) The temperature only adds 14 to the damage index.B) If there is no damage index then the ambient temperature is 14.C) If the damage index is 0, then the ambient temperature would be 0.D) If the ambient temperature is 0 then the damage index would be 14.
- 9. Multiple ChoiceWho weighed more at the beginning of the show?ValerieOscarMrs. ConteThey weighed the same
- 10. Multiple ChoiceWhich company pays the most per pizza?Bombinoe's PizzaLittle Squeezer's PizzaPizza TentPapa Ron's
- 11. Multiple Choice
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 (slope) of the graph?
64
128
32
16
- 12. Multiple ChoiceWhich statement below accurately represents the graph?$100 is earned for each hour worked$100 is earned for every 2 hours worked$500 is earned for every 8 hours worked$200 is earned for every 3 hours worked
- 13. Multiple ChoiceHow much does it cost to have your lawn mowed for 2 hours?$16$17$18$19
- 14. Multiple ChoiceIf I join the gym for a start up fee of $40 and monthly fee of $10, how much money have I spent if I have gone to the gym for 6 months?$60$100$50$110
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