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parameters of quadratic expressions

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For our quadratic expression
y = x2 + 4
Exhibit that ordered pair which constitutes the vertex
Exhibit the y intercept
How many zeros does this expression have?
What is the range of our quadratic expression?

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Solution Summary

It calculates the core parameters of a quadratic expression, such as vertex, zeros, and y-intercept.

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In the standard expression of y = a(x - h)^2 + k, the vertex is (h, k).
In the given expression, y = x^2 + 4, h = 0, k = 4. so the vertex is (0, 4).

Exhibit the y intercept:
when x = 0, ...

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