7 Questions

Combine like terms and use the order of operations to simplify algebraic expressions.

Questions and Answers

- 1.3x + 1 + 8x + 9
- A.
12x + 10

- B.
5x + 8

- C.
11x + 11

- D.
11x + 10

- 2.2x + 5y - 7x + 8y
- A.
9x + 13y

- B.
5x + 3y

- C.
-5x + 3y

- D.
-5x + 13y

- 3.4(x + 8) - 9
- A.
4x + 32

- B.
4x + 23

- C.
12x - 9

- D.
4x + 24

- 4.-3(x + y) + 5(x - y)
- A.
2x - 8y

- B.
-2x + 2y

- C.
8x - 8y

- D.
2x - 8y

- 5.A + b = b + a is an example of the property called ______________________________________________________________________
- 6.What number is known as the multiplicative identity? ____________________
- 7.Ab(c) = (ab)c is an example of what property? __________________________________