Calculating Discriminant
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the discriminant of -2x2 − x − 1 = 0
76
-7
9
none of these
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the discriminant of 6x2 − 2x − 3 = 0
76
29
68
none of these
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Determine the value of the discriminant and name the nature of the roots for the following:
x2 + 7x + 13
Remember: b2 - 4ac
400, 2 real root
0, 1 real root with a multiplicity of 2
-400, 2 imaginary roots
-3, 2 imaginary roots
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for the discriminant of the given equation -2x2 -6x=0
-36
36
0
44
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the value of the discriminant of each quadratic equation.
169
405
167
64
Tags
CCSS.HSA-REI.B.4B
6.
FILL IN THE BLANKS QUESTION
1 min • 6 pts
The (a) is used to determine the number of solutions to a quadratic equation.
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the discriminant: 3k2 + k - 1 = 0
36
13
-20
-11
Tags
CCSS.HSA-REI.B.4B
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