Quadratic Functions: Standard Form Answers

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Which statement is true regarding the intervals where the function is increasing and decreasing?

The function is increasing from (–∞, 0).

The function is increasing from (0, ∞).

The function is decreasing from (–∞, 0).

The function is decreasing from (–∞, ∞).

The y-intercept is .

(–11, 0)

(0, –11)

(0, 0)

(0, 11)

The x-intercepts are .

(–1, 0) and (–11, 0)

(0, –1) and (0,–11)

(0, 1) and (0, 11)

(1, 0) and (11, 0)

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