AnswersAG Q2 Keystone Algebra 1 Block 26-27DDiamondMultiplying Monomials and Binomials

Multiplying Monomials and Binomials Answers

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1
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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
2
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3

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6

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.
7

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.
8

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
9

Which products result in a difference of squares or a perfect square trinomial? Check all that apply.

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)
10

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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