Lesson 5.1: Simplifying Rational Expressions by Factoring

Question 1

Simplify the rational expression.

Revolt · Accepted Answer

Answer image: https://r17.core.learn.edgenuity.com//media.edgenuity.com/EVresources/3111-08-03-20-01-task/mc001-4.jpg

Question 2

What are the excluded values?–4 and –1, 1, and 411 and 4

Revolt · Accepted Answer

1 and 4

Question 3

Identify the excluded value(s).✔ 2 and -92, -9, and -3-90, 2, -9, and -3

Revolt · Accepted Answer

2 and -9

Question 4

Which of the following mistakes did the student make?

Revolt · Accepted Answer

The student could not divide out (2 – x) and (x – 2) as written.

Question 5

Identify the value(s) that are not restrictions on the variable for the rational expression.–10–515

Revolt · Accepted Answer

–1; 0; –5; 1

Question 6

Question 10

Revolt · Accepted Answer

6x2 – 2x – 16; 3x2 – x – 4

Question 7

Simplify the expression for the length.x + 6x – 6 x + 2x – 2

Revolt · Accepted Answer

x + 6

Question 8

Which answers did you include in your response?

Revolt · Accepted Answer

x and x + 6 are both prime and cannot be factored.

Question 9

Which rational expression is defined for all real numbers?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-08-03-20-06-task/mc001-4.jpg

Question 10

Identify the value(s) that are not restrictions on the variable for the rational expression.

Revolt · Accepted Answer

–1; 0; –5; 1

Lesson 5.1: Simplifying Rational Expressions by Factoring Answers