Vertex and Zeros of a Quadratic Function Practice

1. $f(x)=x^2-10x-56$

   1. What are the zeros of the function?

   Write the smaller $x$ first, and the larger $x$ second.

   $\text{smaller }x=$
   $\text{larger }x=$

   2. What is the vertex of the parabola?

2. $f(r)=(r-14)^2-56.25$

   1. What are the zeros of the function?

   Write the smaller $r$ first, and the larger $r$ second.

   $\text{smaller }r=$
   $\text{larger }r=$

   2. What is the vertex of the parabola?

3. $f(r)=-(r-12)(r+3)$

   1. What are the zeros of the function?

   Write the smaller $r$ first, and the larger $r$ second.

   $\text{smaller }r=$
   $\text{larger }r=$

   2. What is the vertex of the parabola?

4. $h(x)=x^2-7x-8$

   1. What are the zeros of the function?

   Write the smaller $x$ first, and the larger $x$ second.

   $\text{smaller }x=$
   $\text{larger }x=$

   2. What is the vertex of the parabola?

Source: Khan Academy, https://www.khanacademy.org/math/college-algebra/xa5dd2923c88e7aa8:quadratic-functions-and-equations/xa5dd2923c88e7aa8:forms-and-features-of-quadratic-functions/e/rewriting-expressions-to-reveal-information
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