7.15.4 The Graph of a Function in Vertex Form

Algebra 17.15.4 The Graph of a Function in Vertex Form

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7.15.4 • The Graph of a Function in Vertex Form

Cool Down

Answer questions 1 – 3 about the function $f$ , given by $f (x) = (x + 3)^{2} - 1$ .

What is the $x$ -coordinate of the vertex of the graph of $f$ ?

-3

What is the $y$ -coordinate of the vertex of the graph of $f$ ?

-3

Does the graph open up or down?

The graph opens upward. The squared term has a positive coefficient $(1)$ .

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