Topic 4 Review - Expressions

Writing/Evaluating

100

Consider the expression 10a+30c.

What is the value of the expression when a=-2 and c=-1

-50

200

Brandon bought 50 coins for arcade games. Each game costs 2 coins, and Brandon has already played x games. Select all expressions that show the number of coins he has left?

1. 50+2x

2. 50-2x

3.-2x+50

4. 2(25-x)

#2,3,4

300

The price of watermelon is $0.50 per pound. The price of strawberries is $2.40 per pound. The price of apples is $1.29 per pound.

Write an expression to represent the total price of w pounds of watermelon, s pounds of strawberries, and a pounds of apples. 

0.50w+2.40s+1.29a

400

The price of watermelon is $0.50 per pound. The price of strawberries is $2.40 per pound. The price of apples is $1.29 per pound.

What is the total cost of 6 pounds of watermelon, 3 pounds of strawberries and 1 pounds of apples

$11.49

500

A store offers 40% off all items. If x is the original purchase price, which of the expression(s) represent the final price with the discount? 

1. 0.6x

2. 1.4x

3. x

4. x+0.4x

5. x - 0.4x

#1 and #5

Add

100

1/3x+1/4+2/3x

x+1/4

200

2/3+3/4x-1/3

3/4x+1/3

300

Add

10x+4+(4x-7)

14x-3

400

Suppose 5x+12 snow cones were sold on Monday and 7x-3 were sold on Tuesday. What is the total number of snow cones sold?

12x+9

Subtract

100

1/3x+1/4-2/3x

-1/3x+1/4

200

Subtract. 

6x-2 -(4x+10)

2x-12

300

Subtract the following expressions.

-2b+10c+8-(6b+4c-7)

-8b+6c+15

400

On Friday, Jason drove 5x-3 miles. On Saturday, he drove 2x-12 miles. What is the difference in miles deiven?

3x+9

Factor

100

Consider the expression 10a+30c.

Factor the expression using GCF

10(a+3c)

200

Factor.

14a+22ab

2a(7+11b)

300

Factor -4x-12 in two different ways

-4(x+3)

4(-x-3)

400

First factor. Then evaluate if x=2 and y=-3

-12x+6y+18

Part A.)  6(-2x+y+3)

Part B.) -24

Distribute

100

Distribute and simplify

3(10x-12)

30x-36

200

Simplify the expression

2(5)+3(x-6)

3x-8

300

Simplify. Then rewrite 2 more ways

-2/5(15-20d+5c)

-6+8d-2c

-2c+8d-6

-2(3-4d+c)

400

There are 11.5 ounces of blueberries in a container. Additional blueberries are poured into the container at a rate of 1.25 ounces per second. How many ounces are in the container after 4 seconds?

16.5 ounces