Formulas Flashcards
1
Q
The equation used to find the parabola’s vertex’s x coordinate
A
-(b/2a)
2
Q
Quadratic formula
A
x = (-b±√ b^2-4ac)/2
3
Q
Circle area formula
A
A=πr^2
4
Q
Circle circumference
A
C=2πr
5
Q
Circle Coordinate equation
A
(x-h)^2 + (y-k)^2 = r^2
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