Imaginary Numbers
10th Grade
•10 Qs
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Imaginary Numbers
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Filiberto Santiago-Lizardi
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying (3i) by (5i)?
-15
8
20
-12
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplify the expression: (4i) - (2i)
8i
6i
10i
2i
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the value of (2i)^2
2
-4
4
0
Tags
CCSS.HSN.CN.C.8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the conjugate of the imaginary number 6i
i
-6i
6
0
Tags
CCSS.HSN.CN.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine the conjugate of the complex number (3 + 4i)
7 - 2i
3 - 4i
3 + 4i
2 - 5i
Tags
CCSS.HSN.CN.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate of the imaginary number -8i?
-8i
8i
0
4i
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the equation: 3x + 2i = 5i
3x = 2i
3x = 3i
x = i
3x = 5i
Tags
CCSS.HSN.CN.A.1
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