Quadratics Increasing and Decreasing

The set of x values for which the graph goes downward is called what?

• Increasing interval

• Decreasing interval

• Domain

• Range

Does this graph in the back have maximum or minimum value?

• maximum

• minimum

• neither

• both

Is this a max or min?

• max

• min

• cannot be determined

What is the axis of symmetry?

• the slope of the graph

• the dividing line for a parabola

• a way to spin my pencil

• the x-axis

What is the increasing interval on the function shown?

What is the range of this function?

• (- ∞,+∞)

• [0, +∞)

• [-2, +∞)

• [2, +∞)

Tags

CCSS.HSF-IF.C.7A

Is the pattern in the table linear, quadratic or neither?

• linear

• quadratic

• neither

State whether the pattern in the table is linear, quadratic, or neither.

• linear

• quadratic

• neither

Find the axis of symmetry for

f(x) = x²- 4x + 5.

• x = -2

• x = 2

• y = 2

• y = -2

• y= 2x +1

Answer explanation

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)