If a is negative,which way does the parabola open? y=ax^2
2 answers:
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Answer:
The minimum value is or
Step-by-step explanation:
we have
This is the equation a vertical parabola open upward
The vertex represent a minimum
The general equation in vertex form is
where
(h,k) is the vertex
Convert the given function in vertex form
Factor 2
Complete the square
Rewrite as perfect squares
The vertex is the point