Expressions Review

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

What is the coefficient of x?

8 + 5x - y

• 8

• 0

• 5

• -5

Simplify 14(b – 10).

• 4b
• b – 140
• 14b – 140
• 14b – 10

2(3v - 8) 

• 6v-16
• 6v-8
• 6v-6
• 6v+8

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

A number with no variable attached is called a  _____.

• coefficient
• constant
• variable
• term

Use the distributive property to find an equivalent expression: 5(2f + 4)

• 10f + 4
• 10f + 9
• 10f + 20
• 30f