Open Up Resources Illustrative Mathematics Grade 8 Unit 3 Final Assessment
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Question 1
1.
This table represents a proportional relationship.
Question 2
2.
This table represents a proportional relationship.
Question 3
3.
This table represents a proportional relationship.
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.
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.
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.
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.
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.
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.
Question 10
10.
Select all the points that are on the graph of the line 2x + 4y = 20.
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.