A circular swimming pool is 24 ft in diameter what is the circumference of the swimming pool
1 answer:
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Answer:
see explanation
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
To obtain this firm use the method of completing the square
Factor out - 1 from each term
y = - (x² - 9x + 12)
To complete the square
add/subtract (half the coefficient of the x- term )² to x² - 9x
y = - (x² + 2( - )x +
-
+ 12 )
= - ( (x - )² -
)
y = - (x - )² +
← in vertex form