Solving Quadratic Formula Using Imaginary Numbers

Quiz
•
Mathematics
•
11th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
11 questions
Show all answers
1.
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant is negative, then the quadratic has:
Real Solution
Real Solutions
Half a Solution
Imaginary Solutions
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is this formula?
This is the speed of light formula.
This is the quadratic formula.
This is the zero product property.
This is scary.
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant is negative, you will have....
two real solutions
two irrational solutions
two imaginary solutions
one solution
Tags
CCSS.HSA-REI.B.4B
5.
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
6.
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
7.
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
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