Quadratic Functions

Convert to vertex form.

• y=-(x-5)² + 21

• y=-(x+5)² + 21

• y=-(x+10)² + 21

• y=-(x-10)² + 21

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

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

• Vertices

• Roots

• Squares

• Formulas

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Does the equation have a max or min?
y = 2x² + 7x + 5

• max

• min

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

• Max

• Vertex

• Axis of Symmetry

• Intercept

This graph is...

• Concave up

• Concave down

What is the equation of the axis of symmetry of this parabola?

• 2

• 0

• x=2

• x=0

Is this a max or min?

• max

• min

• cannot be determined

Does y = -4x² have a maximum or minimum value?

• maximum

• minimum