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Based on the table, what is the y-value of the vertex of the parabola that models the data?

Based on the table, what is the y-value of the vertex of the parabola that models-example-1
User John Cast
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We have a table that represents a parabola.

The vertex will represent the extreme point of the parabola where the minimum or maximum value happens.

In this case, we can see that for x = 5, we have an extreme value of y = 1125.

We can also check that for x = 3 and x =7, 2 units from x = 5, we have the same value (y = 1105).

Then, we have to have the vertex at point (5, 1125), as we have an axis of symmetry in the line x = 5.

The value for y for the vertex is then y = 1125.

Answer: 1125

User Greg Wang
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