Open Up Resources Illustrative Mathematics Grade 8 Unit 3 Final Assessment
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Question 1
1.
This table represents a proportional relationship.
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Question 2
2.
This table represents a proportional relationship.
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Question 3
3.
This table represents a proportional relationship.
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Question 4
4.
To mix a particular shade of purple paint, red paint and blue paint are mixed in the ratio 5: 3. To make 20 gallons of this shade of purple paint, how many gallons of red paint should be used?
Just write the number of gallons.
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Question 5
5.
To mix a particular shade of purple paint, red paint and blue paint are mixed in the ratio 5: 3. To make 20 gallons of this shade of purple paint, how many gallons of blue paint should be used?
Just write the number of gallons.
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Question 6
6.
At one gas station, gas costs $2.75 per gallon. Write an equation that relates the total cost C to the number of gallons of gas purchased g.
Write your answer as C=.... without spaces.
Hint: Think "y=kx" but replace y with C and x with g.
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Question 7
7.
A store sells ice cream with assorted toppings. They charge $3.00 for an ice cream, plus 50 cents per ounce of toppings.
How much does an ice cream cost with 4 ounces of toppings?
Give your answer with a dollar sign.
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Question 8
8.
A store sells ice cream with assorted toppings. They charge $3.00 for an ice cream, plus 50 cents per ounce of toppings.
How much does an ice cream cost with 11 ounces of toppings?
Give your answer with a dollar sign.
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Question 9
9.
A store sells ice cream with assorted toppings. They charge $3.00 for an ice cream, plus 50 cents per ounce of toppings.
If Elena's ice cream cost $3.50 more than Jada's ice cream, how much more did Elena's topping weigh?
Just write the number.
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Question 10
10.
Select all the points that are on the graph of the line 2x + 4y = 20.
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Question 11
11.
For two weeks, the highest temperature each day was recorded in four different cities. Lines l, m, n, and p are graphs of the temperature over time in Lubbock, Memphis, New Orleans, and Phoenix.