M2 Formative 20250429
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the value of i^2?
Back
i^2 = -1, where i is the imaginary unit.
2.
FLASHCARD QUESTION
Front
If the graph of a quadratic does not touch the x-axis, how many real solutions does it have?
Back
No Real Solution.
3.
FLASHCARD QUESTION
Front
Solve the quadratic equation using the quadratic formula: 2x^2 - 9x - 35 = 0.
Back
x = -5/2, x = 7.
4.
FLASHCARD QUESTION
Front
What does a discriminant of 0 indicate about the solutions of a quadratic equation?
Back
1 Solution.
5.
FLASHCARD QUESTION
Front
Calculate the discriminant for the quadratic equation x^2 + 7x + 13 and determine the nature of the solutions.
Back
Discriminant = -3: 2 non-real, imaginary solutions.
6.
FLASHCARD QUESTION
Front
What is the quadratic formula?
Back
7.
FLASHCARD QUESTION
Front
What does the discriminant (b^2 - 4ac) tell us about a quadratic equation?
Back
It indicates the nature of the roots: 2 real solutions, 1 real solution, or 2 complex solutions.
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