AnswersAZ-Common Core Algebra II ARational Inequalities

Rational Inequalities Answers

8 verified answers1 views
1
Free Preview

Which inequality models this situation?

A
Option
B
Option
C
Option
D
Option
2
Free Preview

What common denominator can be used to write the left side as one rational expression?10x10 + x10(10 + x)20 + x

A
10
B
x
C
10 + x
D
10(10 + x)
E
20 + x
3

What is the simplified rational inequality?

A
Option
B
Option
C
Option
4

Which below is the first step in solving the rational inequality?

A
Option
B
Option
C
Option
5

Next you need to find the critical points. What are the critical points, and how are they found?

Answer:

The critical points are −10 and 25. Set the numerator and denominator equal to 0: x − 25 = 0 gives x = 25, and 5(10 + x) = 0 gives x = −10.

6

Which did you include in your response?

A
The critical points are found by setting the numerator and denominator equal to 0.
B
The critical points are at –10 and 25.
7

What percent is reached if (round answers to the nearest tenth of a percent):The next 50 phones are working? ⇒ 88.3%The next 100 phones are working? ⇒ 93.6%The next 500 phones are working? ⇒ 98.6%

Answer:

98.6

8

Test points for the intervals are shown. Select the test points that make the inequality true.

A
x = –15
B
x = 0
C
x = 30

Did you find these answers helpful?

More from this Course

Assignment
22 verified answers

Graphing Exponential Functions

Assignment
15 verified answers

Rational Inequalities

Instruction
23 verified answers

Instruction

Rational Inequalities Answers — AZ-Common Core…