Comparison of Quadratic Functions Cellphone Problems

Identify the function graphed here.

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up

• (-1, 4); opens down

• (1, 4); opens up

• (1, 4); opens down

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

• maximum

• minimum

• neither

• both

The solutions of a quadratic equation are known as the _____.

• Vertices

• Roots

• Squares

• Formulas

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

The highest or lowest point on a quadratic is called the...

• Max

• Vertex

• Axis of Symmetry

• Intercept

Which is these equations is a quadratic function?

• f(x)=2x+5

• f(x)=2^x

• f(x)=(x+1)³

• f(x)=(x-5)²

This graph is...

• Concave up

• Concave down

The vertex of this quadratic is...

• (1,16)

• (-3,0)

• (5,0)

• (0,15)

Is this a max or min?

• max

• min

• cannot be determined