Ben bought a movie ticket for $37.50. He got $12.50 for change. How much was the ticket?
2 answers:
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The function is
we use the vertex form of the quadratic equation
We have given a graph,
<h3>What is the vertex form of the quadratic equation?</h3>y = a(x - h)^2 + k.
Therefore the vertex of the given graph is
See the vertex at (-2, 5)
Since the general way to write the vertex is (h, k), we compare (h, k) to (-2, 5).
Now we have given that (-4,1) use this value in the above equation so we get,
Using the value of an in equation (1) we get,
Therefore the function is
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