Imaginary Numbers Quadratic Formula
Authored by Anthony Clark
Mathematics
10th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does i2 = ?
1
-1
√-1
√1
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the quadratic formula to find the solutions for
y = -x2 - 5x + 12
No Real Solution
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
QUESTION 5
A
B
C
D
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using the quadratic formula. f(x) = 2x2- 4x + 7
(2±2i√10)/2
(4±√40)/4
(2±i√10)√/2
(2±2i√40)/4
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Solve 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
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