Chapter 5 Review

Algebraic Expressions

100

seven years less than Mrs. Hermann's age

Let x = Mrs. Hermann's age

x-7

200

a test grade increased by 12 points

Let x = test grade

x+12

300

Multiply a number by 5 and subtract 2 from the product

Let x = the number

5x-2

400

KOR scored nine points more than half the points of the other team

Let x = other team's score

1/2x+9

500

The sum of two numbers is 30

Let x = the first number

30-x

Evaluating Expressions

100

b=-2, c=5, y=1

b(2c+y)

-22

200

b=-2, c=5, x=-4

x(c-b)

-28

300

b=-2, c=5, y=1

bc-y/2

-10 1/2

400

a=3, c=5, x= -4, y=1

c(a+x-y)

-10

500

b=-2, c=5, x=-4

x/b-3c

-13

Combining Terms

100

5x+3x

8x

200

(5x)(3x)

15x^2

300

{12abc}/{3ab}

4c

400

5x-3x^2+2y

5x-3x^2+2y

500

4x-3(5-x)

7x-15

Factoring the GCF

100

6m+15

3(2m+5)

200

2xy-10xz

2x(y-5z)

300

-7x-14

-7(x+2)

400

5x-15y+20z

5(x-3y+20z)

500

2x(a-3b)+5y(a-3b)

(a-3b)(2x+5y)

More Combining Terms

100

2n-12+3n

5n-12

200

5+3(x+1)

3x+8

300

4x^2+x-3-5x+7

4x^2-4x+4

400

5-(-x-2)+12-2x

-x+19

500

-7-3(-x-3)+7-2(y-3)

3x+2y+15