Quadratic Functions

Solve the equation
(x + 3)² = 49.

• x = -7, 7

• x = 4, -10

• x = -4 +- √7

• x = 10, -4

• -3, 4
• 3, 4
• -4, -3
• -3

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

• maximum

• minimum

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

• Vertices

• Roots

• Squares

• Formulas

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

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4