Solving Quadratics by using the Quadratic Formula
Flashcard
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the standard form for a Quadratic?
Back
ax² + bx + c
2.
FLASHCARD QUESTION
Front
If b²-4ac is positive, the quadratic equation has:
Back
Two real solutions that are different
3.
FLASHCARD QUESTION
Front
Solve Using the Quadratic Formula: x² + 4x - 40 = -8
Back
x = -8 and x = 4
4.
FLASHCARD QUESTION
Front
In the equation y = x² + 5x + 7, identify the coefficients: a, b, c.
Back
a=1, b=5, c=7
5.
FLASHCARD QUESTION
Front
Solve using the quadratic formula: 9x² = 4 + 7x
Back
x = 1.16 and x = -0.38
6.
FLASHCARD QUESTION
Front
What does the discriminant (b² - 4ac) tell us about the solutions of a quadratic equation?
Back
It indicates the nature of the roots: positive means two real solutions, zero means one real solution, negative means two imaginary solutions.
7.
FLASHCARD QUESTION
Front
What is the Quadratic Formula?
Back
x = (-b ± √(b² - 4ac)) / (2a)
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