Solving Quadratic Equations Mixed Review

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
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14 questions
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1.
FLASHCARD QUESTION
Front
What is a quadratic equation?
Back
A quadratic equation is a polynomial equation of degree 2, typically in the form ax² + bx + c = 0, where a, b, and c are constants and a ≠ 0.
2.
FLASHCARD QUESTION
Front
What is the Quadratic Formula?
Back
The Quadratic Formula is x = (-b ± √(b² - 4ac)) / (2a), used to find the roots of a quadratic equation.
Tags
CCSS.HSA-REI.B.4B
3.
FLASHCARD QUESTION
Front
How do you solve a quadratic equation by factoring?
Back
To solve by factoring, rewrite the equation in the form (x - p)(x - q) = 0, then set each factor to zero: x - p = 0 or x - q = 0.
Tags
CCSS.HSA-REI.B.4B
4.
FLASHCARD QUESTION
Front
What does it mean to complete the square?
Back
Completing the square involves rewriting a quadratic equation in the form (x + p)² = q, making it easier to solve for x.
Tags
CCSS.HSA-REI.B.4B
5.
FLASHCARD QUESTION
Front
What is the Square Root Method?
Back
The Square Root Method is used to solve equations of the form x² = k by taking the square root of both sides, resulting in x = ±√k.
Tags
CCSS.HSA-REI.B.4B
6.
FLASHCARD QUESTION
Front
What are the roots of a quadratic equation?
Back
The roots of a quadratic equation are the values of x that make the equation equal to zero.
Tags
CCSS.HSA-REI.B.4B
7.
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
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