14. Work needed to solve the problem: April can buy a package of 10 folders for $1.20 or a package of 8 folders for $1.12. What
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Answer:
The coordinate of the vertex of the parabola is (h,k) = (3,20)
Step-by-step explanation:
The given equation of the parabola is
Now, the General Parabolic Equation is of the form:
, then the vertex is the point (h, k).
Now, to covert the given equation in the standard form:
Using the COMPLETE THE SQUARE METHOD,
or
⇒The general formed equation of the given parabola is
Comparing this with general form, we get
h = 3, k = 20
Hence, the coordinate of the vertex of the parabola is (h,k) = (3,20)