Linear Equations Test A

5(a + 6)

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

3(2c - 5)

• 6c - 15
• 6c + 15
• 6c + 15
• -6c - 15

What are the coefficients in an expression?

• The numbers multiplied by the variables

• The operations in the expression

• The constants in the expression

• The exponents in the expression

Combine like terms to simplify: a + 2a + 7

• 9a

• 3a + 7

• 2a + 7

• 9

Combine like terms to simplify: 5 + b + 2

• 7b

• 7b + 7

• 7 + b

• 8b

Combine like terms to simplify: 6m + m - 4m

• 10m

• 3m

• 2m

• 11m

Simplify and combine like terms:  -6k +7k

• K
• -K

• 13K
• -13K

What is 4x if x=5?

• 20
• 16
• 9
• 45

5m + 9n if m = -7 and n = 4

• 71

• 1

• -1

• -71