10/13/2022-Unit 2B Test

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!!)

4

Simplify:

4

Simplify:

4

Simplify:

4

Simplify:

4

Simplify

4

Simplify:

6

Solve by graphing

8

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)

5

Solve over the set of complex numbers:

6

Solve:

4

Find the discriminant of

2

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:

6

Solve over the set of complex numbers:

These questions go together:
4

Given the function:

Find the discriminant.

2

Given the function:

Use the discriminate you found to determine the number and type of root.

3

3

2

What is h?

2

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?)

2

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?

3

What is the solution set of this equation? (using { } )