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Complex Numbers and Imaginary
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
Enhance your content in a minute
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Multiply:
(4 – 3i)(-7 – 2i)
-23 + 13i
-23 - 29i
-34 + 13i
-34 - 29i
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
(10 + 15i) - (48 - 30i)
58 - 45i
58 - 15i
-38 - 15i
-38 + 45i
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the sum.
(5 - 2i) + (-7 + 8i)
-2 + 6i
12 + 6i
-35 - 16i2
-35 - 16i
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(2i)(3i)
5i
-5
6i2
-6
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What letter usually represent imaginary number?
a
i
j
x
e
Answer explanation
Tags
CCSS.HSN.CN.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Q1. What is the value of the expression 10 + -10?
A) 10
B) -10
C) 10i
D) -10i
Tags
CCSS.HSN.CN.A.1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the value of x if x = 10?
10
-10
10i
-10i
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