Unit Test — Unit test Answers
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Given that (1, 0, 1) is a solution to a system of three linear equations, which of the following is true about the system?
A
The system can be either inconsistent or consistent.B
The system can be either independent or dependent.C
The system can only be independent and consistent.D
The system can only be dependent and inconsistent.22
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Janis was offered two different jobs when she graduated from college. She made the graph and table to show how much she would earn over time at each job.Earnings over Time for Job 1Earnings over Time for Job 2When will Janis’s salary be the same for job 1 and job 2, and how much will she be earning at that point?
A
The salaries will be the same in year 20, and she will be earning $80,000.B
The salaries will be the same in year 16, and she will be earning $70,000.C
The salaries will be the same in year 12, and she will be earning $60,000.D
The salaries will be the same in year 10, and she will be earning $55,000.23
Which of the following is the parent function of all absolute value functions?
A
f(x) = 3xB
f(x) = |x|C
f(x) = 2|x|D
Option24
Shanti wrote the predicted values for a data set using the line of best fit y = 2.55x – 3.15. She computed two of the residual values.
a
a = 0.4 and b = –0.15a
a = –0.4 and b = 0.15a
a = 8.6 and b = 14.25a
a = –8.6 and b = –14.25
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