Complex Numbers and Quadratic Formula
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
Used 5+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the complex conjugate of 4-3i?
1/(4-3i)
1/(4+3i)
-4 + 3i
4 + 3i
Tags
CCSS.HSN.CN.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by the method of your choice
x2 - 5x + 10 = 0
(5 - i√15)/2 , (5 + i√15)/2
(5 - √15)/2 , (5 + √15)/2
(5 - i√65)/2 , (5 + i√65)/2
(5 - √65)/2 , (5 + √65)/2
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by ANY method you have learned: x2−2x+11=0
1±i√10
1±√10
-1±i√10
-1±√10
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hint: set equation = to 0.
A
B
C
D
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
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