Discriminant
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Standards-aligned
Wayground Content
Used 3+ times
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the discriminant in a quadratic equation?
Back
The discriminant is the part of the quadratic formula under the square root, given by b² - 4ac, which determines the nature of the roots.
Tags
CCSS.HSA-REI.B.4B
2.
FLASHCARD QUESTION
Front
If the discriminant is positive, how many real roots does the quadratic equation have?
Back
2 real roots.
Tags
CCSS.HSA-REI.B.4B
3.
FLASHCARD QUESTION
Front
If the discriminant is zero, what does it indicate about the roots of the quadratic equation?
Back
1 real repeated root.
Tags
CCSS.HSA-REI.B.4B
4.
FLASHCARD QUESTION
Front
If the discriminant is negative, what can be said about the roots of the quadratic equation?
Back
2 imaginary roots.
Tags
CCSS.HSA-REI.B.4B
5.
FLASHCARD QUESTION
Front
What is the quadratic formula?
Back
x = (-b ± √(b² - 4ac)) / (2a).
Tags
CCSS.HSA-REI.B.4B
6.
FLASHCARD QUESTION
Front
How do you calculate the discriminant for the quadratic equation ax² + bx + c?
Back
Discriminant = b² - 4ac.
Tags
CCSS.HSA-REI.B.4B
7.
FLASHCARD QUESTION
Front
What does a discriminant of 4 indicate about the roots of a quadratic equation?
Back
2 real roots.
Tags
CCSS.HSA-REI.B.4B
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