Discriminant - March 21

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the discriminant tell us?
Back
The number and type of solutions.
2.
FLASHCARD QUESTION
Front
What is the formula for the discriminant?
Back
b² - 4ac.
3.
FLASHCARD QUESTION
Front
What is the discriminant for the equation 5x² + x - 2 = 0?
Back
None of these.
4.
FLASHCARD QUESTION
Front
What is the discriminant of the equation -2x² - x - 1 = 0?
Back
-7.
5.
FLASHCARD QUESTION
Front
Given the equation 10x² - 6x = 0, what is the value of C?
Back
0.
6.
FLASHCARD QUESTION
Front
If the discriminant is positive, what does it indicate about the solutions of the quadratic equation?
Back
There are two distinct real solutions.
7.
FLASHCARD QUESTION
Front
If the discriminant is zero, what does it indicate about the solutions of the quadratic equation?
Back
There is exactly one real solution (a repeated root).
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