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 first step in solving quadratic equations?
Back
Write the equation in standard form.
Tags
CCSS.HSA-REI.B.4B
2.
FLASHCARD QUESTION
Front
In the equation ax² + bx + c = 0, which term corresponds with x?
Back
b
3.
FLASHCARD QUESTION
Front
Use the quadratic formula to find the solutions for y = -x² - 5x + 12.
Back
No Real Solution.
Tags
CCSS.HSA-REI.B.4B
4.
FLASHCARD QUESTION
Front
True or False: The quadratic formula can be used to solve quadratic equations that cannot be factored.
Back
True.
Tags
CCSS.HSA-REI.B.4B
5.
FLASHCARD QUESTION
Front
Use the quadratic formula to solve for x: 2x² + 2x - 12 = 0.
Back
x = 2, x = -3.
Tags
CCSS.HSA-REI.B.4B
6.
FLASHCARD QUESTION
Front
What is the quadratic formula?
Back
x = (-b ± √(b² - 4ac)) / (2a).
Tags
CCSS.HSA-REI.B.4B
7.
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: if > 0, two real solutions; if = 0, one real solution; if < 0, no real solutions.
Tags
CCSS.HSA-REI.B.4B
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