Concepts in complex numbers
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Mathematics
9th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
the square root √-25 is..
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x: 2x^2 + 15 = 7.
± 5i
± 4i
± 3i
± 2i
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Select ALL of the square roots of -36.
6
-6
18
-18
No real roots
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Which of the following is equivalent to:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Express in terms of
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Now you try:
Find the solution:
(a)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Question 2:
Simplify
Show your work on paper. Be sure to clearly label the problem and write legibly.
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