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10/12/2022-HW Unit 2B Test Review

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Last updated over 2 years ago
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DESMOS CALCULATOR

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

Quadratic Formula:
Question 1
1.

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

Question 2
2.

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

Question 3
3.

Simplify:

Question 4
4.

Simplify:

Question 5
5.

Simplify:

Question 6
6.

Simplify:

Question 7
7.

Simplify:

Question 8
8.

Simplify:

Question 9
9.

Solve by graphing

Question 10
10.

Solve by substitution. Show your work!!

Question 11
11.

Simplify:

Then choose from the following to create the real and imaginary portion of the what you simplify:
a=__________

Question 12
12.

Simplify:

Then choose from the following to create the real and imaginary portion of the what you simplify:
b=__________

Question 13
13.

Solve over the set of complex numbers: (this just means solve and finish your solution as an imaginary solution)

Question 14
14.

Solve:

Question 15
15.

Find the discriminant of

Question 16
16.

Given the nature of the discriminant from the last problem...
What type of root will result?

Question 17
17.

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

Question 18
18.

Solve AND REDUCE over the set of complex numbers:

Question 19
19.

Solve over the set of complex numbers:

Question 20
20.

Given:
Find the value of the discriminant:

Question 21
21.

Use your answer for the discriminant in #19 to determine the number and nature of roots:

Question 22
22.

Solve by graphing

Question 23
23.

Solve by substitution

Question 24
24.

remember to use -b/2a... then substitute that back into the equation to get your answer

Question 25
25.

(note: this is the same rocket as #23!)---this time you're using quadratic formula to solve...use the positive solution as your answer)

Question 26
26.

upload your pages of work here--page 1

Question 27
27.

upload your pages of work here--page 2

Question 28
28.

upload your pages of work here--page 3

Question 29
29.

upload your pages of work here--page 4