The Quadratic Formula, Imaginary Numbers and Discriminant
10th Grade
•19 Qs
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The Quadratic Formula, Imaginary Numbers and Discriminant
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The solutions of the quadratic equation
x2-5x+6=0 are
x=1 or x=-6
x=3 or x=2
x=-3 or x= 2
x=-1 or x=6
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve Using the Quadratic Formula
x2 + 4x - 40 = -8
-10 & -4
-4 & 10
-8 & 4
8 & -4
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the discriminant is equal to 121, then the nature of the roots is?
real, irrational and unequal
imaginary
real, rational and unequal
real and equal
Tags
CCSS.HSA-REI.B.4B
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the value of the discriminant:
3x2 - 7x + 2 = 0
Tags
CCSS.HSA-REI.B.4B
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the value of the discriminant:
x2 + 6x + 9 = 0
Tags
CCSS.HSA-REI.B.4B
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Solve the equation over the set of complex numbers by using the QUADRATIC FORMULA:
2x2 + 8x + 26 = 0
For your copy and paste convenience: ± √
Type solution(s) with NO SPACES.
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the nature of the roots?
3x2 - 7x + 2 = 0
2 real, rational roots
2 imaginary roots
1 real, rational root
2 real, irrational roots
Tags
CCSS.HSA-REI.B.4B
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