Multiplying Polynomials and Simplifying Expressions Answers

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What is the product of 3a + 5 and 2a2 + 4a – 2?

A
6a3 + 22a2 + 14a – 10
B
6a3 + 22a2 + 26a –10
C
18a3 + 10a2 + 14a – 10
D
28a3 + 14a – 10
79059

–3y✔ –2xy–xy5x

A
–3y
B
✔ –2xy
C
–xy
D
5x
79060

What is the product of 2x + y and 5x – y + 3?

Answers:
Blank 1:10
Blank 2:3
Blank 3:6
⇒ 1:79063
Blank 5:3
79067

What is the product of 2x + y and 5x – y + 3?

Answers:
The expression that represents the area of this triangle is x2 + x + cm2.:4
The expression that represents the area of this triangle is x2 + x + cm2.:22
The expression that represents the area of this triangle is x2 + x + cm2.:–12
79068

1618✔ 2244

A
16
B
18
C
✔ 22
D
44
79069

–24✔ –121224

A
–24
B
✔ –12
C
12
D
24
79070

What is the product of 6x – y and 2x – y + 2?

A
8x2 – 4xy + 12x + y2 – 2y
B
12x2 – 8xy + 12x + y2 – 2y
C
8x2 + 4xy + 4x + y2 – 2y
D
12x2 + 8xy + 4x + y2 + 2y
79071

Which polynomial expression represents a sum of cubes?

A
(6 – s)(s2 + 6s + 36)
B
(6 + s)(s2 – 6s – 36)
C
(6 + s)(s2 – 6s + 36)
D
(6 + s)(s2 + 6s + 36)
79072

Consider the expression –3(y – 5)2 – 9 + 7y.Which statements are true about the process and simplified product? Check all that apply.The first step in simplifying is to distribute the –3 throughout the parentheses.There are 3 terms in the simplified product.The simplified product is a degree 3 polynomial.The final simplified product is –3y2 + 7y – 9.The final simplified product is –3y2 + 37y – 84.

A
The first step in simplifying is to distribute the –3 throughout the parentheses.
B
There are 3 terms in the simplified product.
C
The simplified product is a degree 3 polynomial.
D
The final simplified product is –3y2 + 7y – 9.
E
The final simplified product is –3y2 + 37y – 84.
79073

What is A2 – (B + C) in simplest form?

A
8x2 – 25x + 7
B
8x2– 25x + 11
C
10x2 – 25x + 7
D
10x2 – 25x + 11
79074

✔ 46812

Answers:
The expression that represents the area of this triangle is x2 + x + cm2.:4
The expression that represents the area of this triangle is x2 + x + cm2.:22
The expression that represents the area of this triangle is x2 + x + cm2.:–12

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