Quadratic Functions Features

What is the range of this function?

• (- ∞,+∞)

• [0, +∞)

• [-2, +∞)

• [2, +∞)

What is the decreasing interval on the function shown?

Which parabola would open down?

• f(x)=x²

• f(x)=-x²+3x-6

• f(x) = x²-16

• f(x)=2x²-5x+7

What do you call the graph of quadratic functions?

• hyperbola

• parabola

• vertex

• ellipse

What is the Axis of symmetry?

• Y=3

• y=-3

• x= 3

• x=-3

What is the y-intercept of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• snaked line

• elliptical

What is the green dot on this parabola called (besides the vertex)?

• maximum

• minumum

• roots

• zeros

What is the name of this form: y = a(x - h)² + k

• vertex form

• standard form

• factored form

• zero form