10/13/2022-Unit 2B Test
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Last updated over 2 years ago
26 questions
Note from the author:
Remember, if you do not show on work on problems requiring work, you will not receive credit.
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Quadratic Formula:
Remember, if you do not show on work on problems requiring work, you will not receive credit.
Desmos Calculator: https://www.desmos.com/testing/virginia/scientific
Quadratic Formula:
4
is the equivalent to which of the following (choose all the apply!!)
is the equivalent to which of the following (choose all the apply!!)
4
Simplify:
Simplify:
4
Simplify:
Simplify:
4
Simplify:
Simplify:
4
Simplify:
Simplify:
4
Simplify
Simplify
4
Simplify:
Simplify:
6
Solve by graphing
Solve by graphing
8
Solve by substitution. Show your work!!
Solve by substitution. Show your work!!
4
Simplify:
Then choose from the following to create the real and imaginary portion of the what you simplify:
a=__________
b=__________
(just choose the correct values below that you found when simplifying and include their correct sign)
Simplify:
Then choose from the following to create the real and imaginary portion of the what you simplify:
a=__________
b=__________
(just choose the correct values below that you found when simplifying and include their correct sign)
5
Solve over the set of complex numbers:
Solve over the set of complex numbers:
6
Solve:
Solve:
4
Find the discriminant of
Find the discriminant of
2
Which of the following describes the nature of the roots of the function whose graph is shown above?
Which of the following describes the nature of the roots of the function whose graph is shown above?
6
Solve AND REDUCE over the set of complex numbers:
Solve AND REDUCE over the set of complex numbers:
6
Solve over the set of complex numbers:
Solve over the set of complex numbers:
These questions go together:
4
Given the function:
Find the discriminant.
Given the function:
Find the discriminant.
2
Given the function:
Use the discriminate you found to determine the number and type of root.
Given the function:
Use the discriminate you found to determine the number and type of root.
3
3
2
What is h?
What is h?
2
What is k?
What is k?
2
What is the increasing interval?(remember that you're using x values...where, in relation to x, is the graph going up?)
What is the increasing interval?
(remember that you're using x values...where, in relation to x, is the graph going up?)
2
What is the decreasing interval?(remember that you're using x values...where, in relation to x, is the graph going down?)
What is the decreasing interval?
(remember that you're using x values...where, in relation to x, is the graph going down?)
2
What is the range?
What is the range?
3
What is the solution set of this equation? (using { } )
What is the solution set of this equation? (using { } )