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Which of the following are like terms?

• 3x, 5

• 3x, 5x

• 3x, 5y

• 3, 5x

Which of the following is equivalent to 3(x + 10)?

• 3x + 10

• x + 10

• x + 30

• 3x + 30

3(b + 6) =

• 3b x 6

• 3b + 6

• b + 18

• 3b + 18

Find the mistake in this problem: 3(x + 2) = 3x + 2.

• Should have added the 3 and the x.

• There is no mistake in this problem.

• Should have multiplied the 3 with the 2.

• Should have added the 3 and the 2.

In what order should we simplify algebraic expressions?

• DON'T DO IT!

• Distribute, combine like terms

• Combine like terms, Distribute

Which expression is equivalent to 2p + 4 + 5p + 2?

• 7p + 6

• 13p

• 11p + 2

4a + 9 + a

• 5a + 9
• 14a
• 3a + 9
• 5a - 9

Simplify: 3x + x + 2x

• 5x

• 5x²

• 6x

Simplify    5(2 - 7n) =

•  52 - 57n
• 10 - 7n
• 10 - 35n
• 10 + 35n

Simplify:6b + 7b - 10

• 3b
• 13b - 10
• 13b² - 10
• 3b²