Solving Quadratics and 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 quadratic formula?
Back
The quadratic formula is used to find the solutions of a quadratic equation and is given by: x = (-b ± √(b² - 4ac)) / (2a).
Tags
CCSS.HSA-REI.B.4B
2.
FLASHCARD QUESTION
Front
Identify the values of a, b, and c in the quadratic equation: 4x² - 8x - 3 = 0.
Back
a = 4, b = -8, c = -3.
3.
FLASHCARD QUESTION
Front
Solve by factoring: x² - 9x + 20 = 0.
Back
x = 4 and x = 5.
Tags
CCSS.HSA-REI.B.4B
4.
FLASHCARD QUESTION
Front
What is the zero product property?
Back
If the product of two factors is zero, then at least one of the factors must be zero.
Tags
CCSS.HSA-REI.B.4B
5.
FLASHCARD QUESTION
Front
Solve using the quadratic formula: 7x² - 26x - 8 = 0.
Back
x = 4 and x = -2/7.
Tags
CCSS.HSA-REI.B.4B
6.
FLASHCARD QUESTION
Front
Solve: 2x² + 7x - 15 = 0.
Back
x = -5 and x = 1.5.
Tags
CCSS.HSA-REI.B.4B
7.
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.
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