Topic 4

Random

100

Factor the expression using the GCF

8a + 16c

8(a + 2c)

200

What is the value of the expression when x=-2 and y=3?

6(y - x)

30

300

What is the value of the expression when a= -5 and c= -1?

6a - 8c

-22

400

The price of grapes is $2 per pound. The price of bananas is $5 per pound. The price of pears is $3 per pound. Write an expression to represent the total price of g pounds of grapes, b pounds of bananas, and p pounds of pears.

2g + 5b + 3p

500

Solve when a= -5, b= -2, c= -1 : 6a - 2(c - b)

-32

Combining Like Terms

100

4x + 7 - 3x

x + 7 

200

4z - 8y + z - 2y  

5z -10y

300

2.5x - 6 - 1.3y - 0.4x + 1.7y

2.1x - 6 + 0.4y

400

2/3 + 4x - 1/3 - 5x + 5/3

2 - x

500

6(2x - 5) + 3

12x - 27

Factoring

100

5x + 15

5(x + 3)

200

12b - 4

4(3b - 1)

300

3a - 9b + 18

3(a - 3b + 6)

400

42x - 30

6(7x - 5)

500

Remove a negative factor: -12x + 4y - 16z

-4(3x - y + 4z)

Distributive Property

100

3(2f + 7)

6f + 21

200

-2(3 - 5d)

-6 + 10d

300

-4(2x - 3y + 5d)

-8x + 12y - 20d

400

-x(4y - 5)

-4xy + 5x

500

Distribute and Simplify: 6(-x + 4 - 2x)

-18x + 24 

Add/Subtract Expressions

100

(4x + 2) + (7 - x)

3x + 9

200

(-5x - 8) + (-x + 2)

-6x - 6

300

(5y - 13) - (2y + 2)

3y - 15

400

-6(2x + 12) - (x - 1)

-13x - 71

500

-3(-x + 3) - 2(1 + x)

x - 11