Multiplying Polynomials and Simplifying Expressions

Question 1

Muriel told Shana that one of the products in the table was incorrect. Which value in the table is incorrect? What is the value Shana should have written?

Revolt · Accepted Answer

–2y; Selection 1: –2y; Selection 2: –2xy

Question 2

Question 2

Revolt · Accepted Answer

–2xy

Question 3

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

Revolt · Accepted Answer

6a3 + 22a2 + 14a – 10

Question 4

What is the product of 2x + y and 5x – y + 3? x2 + xy + x – y2 + y

Revolt · Accepted Answer

Part 1: 10; Part 2: 3; Part 3: 6; Part 4: 1; Part 5: 3

Question 5

Which polynomial expression represents a sum of cubes?

Revolt · Accepted Answer

(6 + s)(s2 – 6s + 36)

Question 6

The expression that represents the area of this triangle is x2 + x + cm2.

Revolt · Accepted Answer

4; Selection 1: 4; Selection 2: 22; Selection 3: –12

Question 7

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.

Revolt · Accepted Answer

There are 3 terms in the simplified product.; The final simplified product is –3y2 + 37y – 84.

Question 8

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

Revolt · Accepted Answer

8x2 – 25x + 7

Question 9

Question 13

Revolt · Accepted Answer

22

Question 10

Question 14

Revolt · Accepted Answer

–12

Multiplying Polynomials and Simplifying Expressions Answers

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