Maximum and Minimum Values of Quadratic Equations

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Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• snaked line

• elliptical

What is the range of the function?

• All real numbers

• -6≤y≤3

What is the range?

• -3 ≤ y < ∞

• -1 ≤ y < ∞

• All real numbers

• -∞ < y ≤ -1

Identify the domain and range of the function.

• Domain: -6 ≤ x ≤ 2

  Range: -3 ≤ y ≤ 5

• Domain: All real number

  Range: -3 ≤ y ≤ 5

• Domain: All real numbers

  Range: -∞ < y ≤ 3

• Domain: All real numbers

  Range: -3 ≤ y < ∞

What is the range of this function?

• (- ∞,+∞)

• [0, +∞)

• [-2, +∞)

• [2, +∞)

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

If a quadratic has a vertex that is a maximum, then the quadratic is...

• Concave up

• Concave down