Solving Imaginary Numbers
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Solving Imaginary Numbers
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Anthony Clark
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11 questions
Show all answers
1.
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
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
Calculate (multiply):
(4 + 3i)(4 − 3i)
16 − 9i2
25
7
8 − 6i
Tags
CCSS.HSN.CN.C.8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate (multiply):
(1 − 2i)(6 + 5i)
16 − 7i
-16 + 7i
-16 − 7i
16 + 7i
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the conjugate of:
5 + 7i
5 − 7i
-5 − 7i
-5 + 7i
Tags
CCSS.HSN.CN.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the conjugate of:
-4 − 8i
-4 + 8i
4 − 8i
4 + 8i
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate(Divide, multiply by conjugate):
-3/4 − 1/4i
3/4 + 1/4i
-3/4 + 1/4i
3/4 − 1/4i
Tags
CCSS.HSN.CN.A.3
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