AnswersPBCSD_Grade_Forgiveness_1200330_Algebra 2_S2_2024Adding and Subtracting Rational Expressions

Graphing Rational Functions Answers

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1
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What are the solutions to the equation

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A
x = –7 and x = 1
B
x = –6 and x = –1
C
x = –1 and x = 7
D
x = 1 and x = 6
2
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Working alone, it would take Shandra 40 minutes to sand a table. To sand the same table, also working alone, it would take Kelly 1 hour. If they work together, the situation can be modeled by the following equation, where t is the time it would take to sand the table working together.Shandra claims it will take them about 50 minutes working together, because 50 is the mean of 40 and 60. Which best describes Shandra’s claim?

Question illustration
A
Shandra’s claim is correct.
B
Shandra’s estimate is too high because she should have found the differences instead of the mean.
C
Shandra’s estimate is too high because it will take them about 24 minutes.
D
Shandra’s estimate is too low because it will take them about 100 minutes.
3

What is the solution of ?

Question illustration
A
y = –4
B
y = –2
C
y = 4
D
y = 6
4

A contractor has two choices for billing a completed job. · $500 flat rate, regardless of the number of hours worked· $20 per hour workedThe graph shows the relationship between pay per hour and number of hours worked for both scenarios. What is the solution to this system of equations, and what does it mean to the contractor?

Question illustration
A
The solution (0, 20) tells the contractor the minimum amount that can be charged.
B
The solution (0, 500) tells the contractor the maximum amount that can be charged.
C
The solution (25, 20) tells the contractor the number of hours on a job where the hourly rate is the same for both billing options.
D
The solution (20, 25) tells the contractor the number of hours on a job where the hourly rate is the same for both billing options.
5

What is the solution to the equation ?

Question illustration
A
h = eleven-thirds
Option A
B
h = 5
Option B
C
h = 7
Option C
D
h = twenty-one-halves
Option D

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