Introduction to Quadratic Functions

Point A is the __________ of the parabola. A点は放物線の「　」です。

• vertex

• axis of symmetry

• 頂点

• 軸

• Linear

• Quadratic

• Exponential

The graph of a quadratic function is called

• a line

• a hyperbola

• a parabola

• a cubic

Which form is the equation
y = -3(x-5)²+7 in?

• Standard

• Vertex

• Factored

• None of These

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Which of the following represents a quadratic function?

• 1

• 3

• 2

• 5

• 4

A diver is standing on a platform above the pool. He jumps form the platform with an initial upward velocity of 8 ft/s. Use the formula: h(t) = −16 t² + 8t + 24

How high is the platform?

• .25 ft

• 24 ft

• 25 ft

• 8 ft

The point (2,4) belongs to a quadratic function. What is a?

What type of function is graphed?

• Quadratic

• Exponential

• Linear