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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.

Desmos Calculator: https://www.desmos.com/testing/virginia/scientific

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
4
4
4
4
4
4
6
8
4
5
6
4
2
6
6
3
3
Question 1
1.

is the equivalent to which of the following (choose all the apply!!)

Question 2
2.

Simplify:

Question 3
3.

Simplify:

Question 4
4.

Simplify:

Question 5
5.

Simplify:

Question 6
6.

Simplify

Question 7
7.

Simplify:

Question 8
8.

Solve by graphing

Question 9
9.

Solve by substitution. Show your work!!


Question 10
10.

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)

Question 11
11.

Solve over the set of complex numbers:

Question 12
12.

Solve:

Question 13
13.

Find the discriminant of

Question 14
14.

Which of the following describes the nature of the roots of the function whose graph is shown above?

Question 15
15.

Solve AND REDUCE over the set of complex numbers:

Question 16
16.

Solve over the set of complex numbers:

These questions go together:
4
Question 17
17.

Given the function:

Find the discriminant.

2
Question 19
19.

Question 20
20.

2
Question 21
21.

What is h?

2
Question 22
22.

What is k?

2
2
2
3
Question 18
18.

Given the function:

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

Question 23
23.

What is the increasing interval?
(remember that you're using x values...where, in relation to x, is the graph going up?)

Question 24
24.

What is the decreasing interval?
(remember that you're using x values...where, in relation to x, is the graph going down?)

Question 25
25.

What is the range?

Question 26
26.

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