Quadratics Key Features Context

Which equation could match the graph?

• y = (x + 1)(x + 4)

• y = (x - 1)(x - 4)

• y = (x - 4)(x - 4)

• y = (x + 2.5)(x + 4)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The vertex of the given quadratic function is at its minimum.

• True

• False

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

• maximum

• minimum

• neither

• both

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSF-IF.C.7A

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 increasing interval on the function shown?

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

Find the decreasing interval

• (infinity, -2)

• (-infinity, 2)

• (2, infinity)

• (-2, infinity)

Tags

CCSS.HSF-IF.C.7A