Unit 3 | Final Assessment
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by Sarah Allen
| 11 Questions
Note from the author:
Open Up Resources Illustrative Mathematics Grade 8 Unit 3 Final Assessment
1
1
This table represents a proportional relationship.

True
False
2
1
This table represents a proportional relationship.

True
False
3
1
This table represents a proportional relationship.

True
False
4
1
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.
5
1
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.
6
1
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.

Hint: Think "y=kx" but replace y with C and x with g.
7
1
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?

8
1
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?

9
1
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.
10
1
Select all the points that are on the graph of the line 2x + 4y = 20.
(0, 5)
(0, 10)
(1, 2)
(5, 0)
(10, 0)
11
1
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.

Which statement is true?

The high temperature in Lubbock increased as time passsed.
The high temperature in Memphis decreased steadily.
Initially, the high temperature was warmer in Phoenix than in Memphis.
The high temperature in Phoenix rose faster than the temperature in New Orleans.