Formulas Flashcards

1
Q

The equation used to find the parabola’s vertex’s x coordinate

A

-(b/2a)

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2
Q

Quadratic formula

A

x = (-b±√ b^2-4ac)/2

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3
Q

Circle area formula

A

A=πr^2

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4
Q

Circle circumference

A

C=2πr

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5
Q

Circle Coordinate equation

A

(x-h)^2 + (y-k)^2 = r^2

https://www.gstatic.com/education/formulas2/472522532/en/equation_of_a_c

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