Quadratic Formula

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic equation?
Back
The standard form of a quadratic equation is ax² + bx + c = 0, where a, b, and c are constants.
2.
FLASHCARD QUESTION
Front
What does the 'a' represent in the quadratic equation ax² + bx + c = 0?
Back
The 'a' represents the leading coefficient, which determines the direction of the parabola (upward if a > 0, downward if a < 0).
Tags
CCSS.HSF-IF.C.7A
3.
FLASHCARD QUESTION
Front
What does the 'b' represent in the quadratic equation ax² + bx + c = 0?
Back
The 'b' represents the coefficient of the linear term, which affects the position of the vertex of the parabola.
Tags
CCSS.HSF-IF.C.7A
4.
FLASHCARD QUESTION
Front
What does the 'c' represent in the quadratic equation ax² + bx + c = 0?
Back
The 'c' represents the constant term, which is the y-intercept of the quadratic function.
Tags
CCSS.HSF-IF.C.7A
5.
FLASHCARD QUESTION
Front
How do you convert a quadratic equation to standard form?
Back
To convert a quadratic equation to standard form, rearrange the equation so that one side equals zero, typically by moving all terms to one side.
6.
FLASHCARD QUESTION
Front
What is the quadratic formula used for?
Back
The quadratic formula is used to find the solutions (roots) of a quadratic equation and is given by x = (-b ± √(b² - 4ac)) / (2a).
Tags
CCSS.HSA-REI.B.4B
7.
FLASHCARD QUESTION
Front
What is the discriminant in the quadratic formula?
Back
The discriminant is the part of the quadratic formula under the square root, b² - 4ac, and it determines the nature of the roots.
Tags
CCSS.HSA-REI.B.4B
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