Question

1. What is the value of y?

6(5 + 3) = 6 • 5 + 6 • y


y = ?

Choose all answers that are correct.

2.

Which expressions show how 8 • 54 can be rewritten using the distributive property?

Choose all answers that are correct.

A.
8 • 50 + 4

B.
8 • 50 + 8 • 4

C.
8 • 60 – 8 • 6

D.
8 • 60 + 8 • 4

3. Simplify: 3u + 7v + 4u – 2v

A.
7u + 5v

B.
7u + 9v

C.
10u – 2v

D.
12uv

4. Which are the like terms in 4x3 – 7x2 + x + x3?

A.
4x3, –7x2, and x3

B.
4x3and x

C.
4x3and x3

D.
They are all like terms.

5. Simplify:

5x3 – 2x2 + x + 4x3

A.
8x3

B.
9x6– 2x2+ x

C.
9x3– 2x2+ x

D.
5x3– 2x2+ x + 4x3 (the expression cannot be simplified)

Answer 1

1. y=3
2. A, but you need parentheses in 5+4
3. A
4. D
5. I'm having a bit of confusion. is "x" a multiplication sign or is it a variable?

Answer 2

1) y = 3
2) C.) 8 * 60 - 8 * 6  ⇒ it will look like this 8(60-6) ⇒ 8(54)
3) A) 7u + 5v
4) 4x³ and x³ are like numbers
5) Simplify: 5x³ - 2x² + x + 4x³
group like numbers: 5x³ + 4x³ - 2x² + x
9x³ -2x² + x ⇒ letter C.