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10/12/2022-HW Unit 2B Test Review
By Melanie S Boyd
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29 questions
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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!!)
1
-1
visibility
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Question 2
2.
is the equivalent to which of the following (choose all the apply!!)
1
-1
visibility
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Question 3
3.
Simplify:
visibility
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Question 4
4.
Simplify:
visibility
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Question 5
5.
Simplify:
visibility
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Question 6
6.
Simplify:
visibility
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Question 7
7.
Simplify:
visibility
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Question 8
8.
Simplify:
visibility
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Question 9
9.
Solve by
graphing
visibility
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Question 10
10.
Solve by
substitution
. Show your work!!
visibility
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Question 11
11.
Simplify:
Then choose from the following to create the real and imaginary portion of the what you simplify:
a=__________
visibility
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Question 12
12.
Simplify:
Then choose from the following to create the real and imaginary portion of the what you simplify:
b=__________
visibility
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Question 13
13.
Solve over the set of complex numbers:
(this just means solve and finish your solution as an imaginary solution)
visibility
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Question 14
14.
Solve:
visibility
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Question 15
15.
Find the discriminant of
visibility
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Question 16
16.
Given the nature of the discriminant from the last problem...
What type of root will result?
2 real roots
1 real root
2 imaginary roots
1 imaginary root
visibility
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Question 17
17.
Which of the following describes the nature of the roots of the function whose graph is shown above?
2 real roots
1 real root
2 imaginary roots
1 imaginary root
visibility
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Question 18
18.
Solve
AND REDUCE
over the set of complex numbers:
visibility
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Question 19
19.
Solve over the set of complex numbers:
visibility
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Question 20
20.
Given:
Find the value of the discriminant:
visibility
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Question 21
21.
Use your answer for the discriminant in #19 to determine the number and nature of roots:
2 real roots
1 real root
2 imaginary roots
1 imaginary root
visibility
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Question 22
22.
Solve by
graphing
visibility
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Question 23
23.
Solve by
substitution
visibility
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Question 24
24.
remember to use -b/2a... then substitute that back into the equation to get your answer
visibility
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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)
visibility
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Question 26
26.
upload your pages of work here--page 1
visibility
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Question 27
27.
upload your pages of work here--page 2
visibility
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Question 28
28.
upload your pages of work here--page 3
visibility
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Question 29
29.
upload your pages of work here--page 4
visibility
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