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Monday, March 30 Math 8

Last updated almost 6 years ago

10 questions

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Watch the video below to review combining like terms.  Then answer the following questions.

For the following questions, choose the answer that has completely simplified each expression by combining like terms.  Only one answer is correct.

Question 1

1.

7b - 3b + 4

10b + 4

8b

4b + 4

-4b + 4

Question 2

2.

9x + x - 4x + x

7x

5x

Question 3

3.

6a - 3a - a - 12

3a - a - 12

3a - 12

2a - 12

3a - 13

Question 4

4.

2x + 5 + x

3x + 5

7x + 5

2x + x + 4

7x + x

Question 5

5.

4t - t + 3

5t - 3

4t - 4

3t + 3

5t + 3

Question 6

6.

7x + 2y + 9x + 8

16x + 2y + 8

9xy + 9x + 8

18xy + 8

16x + 10y

Question 7

7.

6n - n + 3 - 1

7n - 2

7n + 2

5n + 2

5n - 2

Question 8

8.

7v + 2v + 4v + x

7v + 7x

11v + 2x

13v + x

14v + x

Question 9

9.

12x - 15y - 18x + 17y + 20x

-14x - 2y

-14 + 2y

14x + 2y

14x - 2y

Question 10

10.

9x + 7y + 4x - 11y + 10x - 8x

-15x - 3y

-15x - 4y

1x - 4y

-15x - 5y