Discriminant and Nature of Roots of a Quadratic Equation
Authored by Zenaida Lemus
Mathematics
9th - 12th Grade
CCSS covered
Used 57+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the formula in getting the discriminant of a quadratic equation?
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
If the discriminant is equal to -7, the nature of roots of quadratic equation is ____.
real and equal
rational and unequal
irrational and unequal
no real roots
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
real and equal
rational and unequal
irrational and unequal
no real roots
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
If the discriminant is equal to 400, the nature of roots of the quadratic equation is ____.
real and equal
rational and unequal
irrational and unequal
no real roots
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The roots of a quadratic equation are real and equal, then the discriminant is ____.
Zero
Positive and a perfect square
Positive but not a perfect square
Negative
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
128
64
0
-64
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
real and equal
rational and unequal
irrational and unequal
no real roots
Tags
CCSS.HSA-REI.B.4B
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