Solve Quadratics by Taking Square Roots

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the square root of a number?
Back
The square root of a number is a value that, when multiplied by itself, gives the original number.
2.
FLASHCARD QUESTION
Front
Solve for x: x² = 36
Back
x = ±6
3.
FLASHCARD QUESTION
Front
What is the first step to solve the equation 3x² = 48?
Back
Divide both sides by 3 to isolate x².
4.
FLASHCARD QUESTION
Front
Solve for x: 3x² = 48
Back
x = ±4
5.
FLASHCARD QUESTION
Front
What does it mean to take the square root of both sides of an equation?
Back
It means to find the value that, when squared, equals the number on that side.
6.
FLASHCARD QUESTION
Front
Solve for x: 5(x - 3)² + 1 = 81
Back
x = -1, 7
7.
FLASHCARD QUESTION
Front
What is the vertex of a parabola?
Back
The vertex is the highest or lowest point of the parabola, depending on its orientation.
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