AnswersCUSD Math 01 A 5.0Evaluating Functions

Multiplying Monomials and Binomials Answers

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What is the product of 3x(x2 + 4)?

A
x2 + 3x + 4
B
3x3 + 4
C
3x3 + 12x
D
3x2 + 12x
3

–21–3x47x

A
–21
B
–3x
C
4
D
7x
4

A and BA and CB and C

A
A and B
B
A and C
C
B and C
6

–6x–3x7x14x

A
–6x
B
–3x
C
7x
D
14x
7

Did Cherise use algebra tiles to correctly represent the product of (x – 2)(x – 3)?

A
No, she did not multiply the x-tiles by the negative integer tiles correctly.
B
No, she did not multiply the negative integer tiles by the other negative integer tiles correctly.
C
No, she did not add the terms together correctly.
D
Yes, the product is x2 – 5x – 6.
8

Which equals the product of (x – 3)(2x + 1)?

A
2x2 – 7x – 3
B
2x2 – 5x – 3
C
3x – 2
D
6x2
9

Find the product of (–d + e)(4e + d). Which statements are true? Check all that apply.There are 2 terms in the product.There are 3 terms in the product.There are 4 terms in the product.The product is degree 1.The product is degree 2.The product is degree 4.

A
There are 2 terms in the product.
B
There are 3 terms in the product.
C
There are 4 terms in the product.
D
The product is degree 1.
E
The product is degree 2.
F
The product is degree 4.
10

What is the product of the binomials (4a – 1) and (2b + 3)?

A
18ab – 3
B
8a2b2 + 10ab – 3
C
6ab + 7a – 2b – 3
D
8ab + 12a – 2b – 3
11

Which products result in a difference of squares or a perfect square trinomial? Check all that apply. (5x + 3)(5x – 3)(7x + 4)(7x + 4)(2x + 1)(x + 2)(4x – 6)(x + 8)(x – 9)(x – 9) (–3x – 6)(–3x + 6)

A
(5x + 3)(5x – 3)
B
(7x + 4)(7x + 4)
C
(2x + 1)(x + 2)
D
(4x – 6)(x + 8)
E
(x – 9)(x – 9)
F
(–3x – 6)(–3x + 6)
12

Which expressions can represent the length and width of the garden?

A
length = x2 – 3 feet; width = 2 feet
B
length = 2x + 3 feet; width = x – 2 feet
C
length = 2x + 2 feet; width = x – 3 feet
D
length = 2x – 3 feet; width = x + 2 feet

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