Quadratic Formula Quick Check
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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9 questions
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1.
FLASHCARD QUESTION
Front
Determine the values of a, b, and c for the quadratic equation: 4x2 – 8x = 3
Back
a = 4, b = -8, c = -3
2.
FLASHCARD QUESTION
Front
Solve 2x2 + 2x - 12 using the quadratic formula.
Back
2, -3
3.
FLASHCARD QUESTION
Front
The discriminant is
Back
b2 - 4ac
4.
FLASHCARD QUESTION
Front
For the function y = x² + 4x + 4, is the discriminant positive, negative, or zero?
Back
Zero
5.
FLASHCARD QUESTION
Front
What is the discriminant of -2x2 − x − 1 = 0?
Back
-7
6.
FLASHCARD QUESTION
Front
A function has a discriminant of 25.
______________
How many solutions does it have?
Back
2
7.
FLASHCARD QUESTION
Front
A function has a discriminant of -3.
How many x-intercepts does it have?
Back
0
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