Expressions Quiz (Parts, Combine, Distribute) Review

How many terms are there?

8a + 6 + 1+ 8a

• 3

• 4

• 6

Is this an algebraic expression?

x+18=21

• Yes

• No

4a+ 9 + a = 3

This is not algebraic expression because:

• it has a variable, terms and numbers

• it has an equal sign

4(2x + 5)

• 6x + 9
• 8x + 20

6(1+ 3m)

• 105-20m
• 100-20m
• -36+40m
• 6+18m

Combine like terms:

8a + 6 + 1+ 8a

• 16a + 6 + 1

• 16a + 7

• 8a + 7 + 8a

What is the coefficient?

8a + 6 + 1

• 8

• 6

• 1

What is the variable?

8a + 6 + 1

• 8

• 6

• 1

• a

What are the constants? (choose two answers)

8a + 6 + 1

• 8

• 6

• 1

• a