Lesson 6-6: Combine Like Terms

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• Yes, I'm ready to go!

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What are like terms?

• Terms with different variables

• Terms with the same variable raised to the same power

• Any terms with numbers

• Terms with no variables

What is the coefficient in the term 7x?

• x

• 7

• 1

• 0

What does the commutative property allow you to do?

• Rearrange numbers and variables without changing the result

• Subtract only variables

• Add only numbers

• Change the value of numbers

How do you simplify the expression Y + Y + Y + Y?

• Y + 4

• 2Y

• Y

• 4Y

Can we combine the terms with x² and x together?

• No, we cannot combine x² and x because they are terms of different powers.

• Yes, x² and x can be combined because they are both variables.

• Yes, because x² and x are both constants.

Simplify each expression:

15t + 9s + t - 9

• 16t + 8s - 9
• 15t + 9s + 9
• 16t + 9s - 9

Simplify each expression:

h + 2h + 7g + 9 + g

• 2h + 7g + 9
• 3h + 8g + 9
• 4h + 6g + 9

Simplify each expression:

3g² + 5g - 2g² + g

• g² + 6g

• g² + 5g

• 2g² + 4g

Simplify each expression:

m + n + 2m + 3n

• 3m + 4n
• 4m + 2n
• 2m + 5n