
2-4 Imaginary Numbers Study Guide
Authored by Kattie Pacheco
Mathematics
11th Grade
CCSS covered
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which expression is equivalent to 4+ 5i- (2-7i)?
2 + 12i
4 + 3i
6 - 21i
6 - i
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is a simplified version of the expression (2+ 3i) (−1 − i)?
14 - 35i
39 + 10i
-2
1 - 5i
Tags
CCSS.HSN.CN.C.8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which expression represents (12+ 3i) — 6(1 - 4i)?
6 - 21i
6 - i
6 + 7i
6 + 27i
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Consider the expression. 6(i + 2) — 4i(1 + 2i) Which is the simplified version of this expression?
-20 + 10i
20 + 2i
-4+10i
4 + 2i
Tags
CCSS.HSN.RN.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Consider the expression. (2+3i)(4-i) What is a simplification of the expression?
5 - 14i
5 + 14i
11 - 10i
11 + 10i
Tags
CCSS.HSN.CN.C.8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the complex solutions to the equation x² + 32 = 0 ?
-16 and 16
11 + 10i
-4√2 and 4√2
-4i√2 and 4i√2
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What are the solutions to the quadratic equation 3x² + 4 = 0?
i√4/3
2
-i√4/3
-2
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
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