Quadratic Functions: Standard Form — Quiz

Question 7 • Algebra I

Tempestt graphs a function that has a maximum located at negative 4 comma 2 Which could be her graph?

Answer

Image with description On a coordinate plane, a parabola opens up. It goes through (2 comma 6), has a vertex at (4 comma 2), and goes through (6 comma 6).

Image with description On a coordinate plane, a parabola opens down. It goes through (2 comma negative 2), has a vertex at (4 comma 2), and goes through (6 comma negative 2).

Image with description On a coordinate plane, a parabola opens down. It goes through (negative 6 comma negative 2), has a vertex at (negative 4 comma 2), and goes through (negative 2 comma negative 2).

Image with description On a coordinate plane, a parabola opens up. It goes through (negative 6 comma 6), has a vertex at (negative 4 comma 2), and goes through (negative 2 comma 6).

Explanation

A maximum at (−4, 2) means the graph’s vertex is at (−4, 2), and the graph must open downward. Choice C has that vertex and opens down. Choice B has the same vertex but opens upward, so it has a minimum instead.

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