(7th) Topic 4 Test Review

The price of grapes, g, is $2.19 per pound. The price of bananas, b, is $0.59 per pound. The price of pears, p, is $1.49 per pound.

​ Write an expression to represent the total price of g pounds of grapes, b pounds of bananas, and p pounds of pears. Drag numbers to complete the expression

.​ (a)   g+ ​ (b)   b +​ (c)   p

What is the total cost for 3 pounds of grapes, 3 pounds of bananas, and 2 pounds of pears?

The total cost would be​ (d)  

• 2.19
• 0.59
• 1.49
• 11.32

On Saturday, Lukas drove 4x – 5 miles. On Sunday, he drove 3x – 10 miles. What is the difference in miles driven?

• x + 15

• x -5

• x +5

• x - 15

• –30 + 40d – 10c

• –6 + 8d – 2c

• –2c + 8d – 6

• 6 – 8d + 2c

• –2(3 – 4d + c)

Simplify this expression. 2(10) + 2(x – 4)

• 2x + 16

• x + 12

• 2x + 12

• x + 16

A store offers 20% off all items. If x is the original purchase price, select all the expressions that represent the final price with the discount.

• 1.2x

• 0.8x

• x

• x-0.2x

• x-0.2x

Suppose 8x + 16 ice cream cones were sold on Saturday and 7x – 9 were sold on Sunday. What is the total number of ice cream cones sold?

• 15x + 25

• 15x + 7

• x + 7

• x + 25

There are 11.5 ounces of cereal in a container. Additional cereal is poured into the container at a rate of 2.25 ounces per second. How many ounces are in the container after 4 seconds?

Evaluate responses using AI:

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Select all correct ways of factoring –3x – 9.

• –3(x + 3)

• 3(x + 3)

• 3(–x – 3)

• –3(x – 3)

• 3(x – 3)

Match the following

• (-1/3 x) + (1/4)

• x + (1/4)

• (3/4x) + (1/3)

Consider the expression 8a + 16c.

Factor the expression using the GCF.

• 2(4a + 8c)

• 4(2a + 4c)

• 8(a + 2c)