Unit 6 Check-In 1 Review

Combine Like Terms (Rationals)

100

3.5x + 1.5x

5x

200

(1/2)y - (1/4)y

(1/4)y

300

-2.1m - 5.9m

-8m

400

(2/3)a + 4 - (1/3)a

(1/3)a + 4

500

0.6p + 1.2q - 0.3p

0.3p + 1.2q

Combine Like Terms (Integers)

100

7k - 4k

3k

200

-2n + 8n

6n

300

5r - 9r + 1

-4r + 1

400

x + 3y - 5x

-4x + 3y

500

-10g + 6 - 2g - 4

-12g + 2

Factor

100

5x + 10

5(x + 10)

200

8y - 4

4(2y + [-1])

300

9a + 27b

9(a + 3b)

400

12m - 18

6(2m + [-3])

500

4k + 8 - 20g

4(k + 2 + [-5g])

Distribute

100

2(x+3)

2x + 6

200

-3(4y - 1)

-12y + 3

300

(1/2)(6m + 8)

3m + 4

400

-(5p - 2)

-5p + 2

500

4(2a + 3b) - 5

8a + 12b - 5

Vocab

100

Name the coefficient(s) in:

3x - 5y + 1

3 and -5

200

Name the like terms in:

7k - 3m + 2k

7k and 2k

300

Name the constant(s) in:

4a - 9

-9

400

Name the three terms in the expression:

x² + 5x - 7

x², 5x, and -7

500

What is the difference between an expression and an equation?

An expression has no equal sign but an equation does.