Imaginary Numbers Quadratic Formula

Quiz
•
Mathematics
•
10th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify √-81
-√81
-9i
9i
81i
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-24i√7
24i√7
-24√7
24√7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify
± 2i √10
± 2 √10
± 4i √10
± 4 √10
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate(Divide, multiply by conjugate):
12/5 − 4/5i
-8/10i − 4/5
-4/5 + 12/5i
12/5 + 4/5i
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
33 = 18 - 3x2
x = ±5i
x = ±i√5
x = ±√5
x = i√5
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