Quadratic Function from Tables

What equation represents this table?

What equation represents this table?

What type of function does this table represent?

• Linear

• Quadratic

• Cubic

• Exponential

Review: If the rocket was at a height of 5 feet at 1 seconds, at what other time was the rocket at a height of 5 feet?

• It was never at 5 feet again.

• 6 seconds

• 5 sconds

• 3 seconds

Write the equation in standard form for the quadratic function using the table.

• x²-10x+25

• x²-10x+85

• -2x²-20x+10

• -2x²+20x+10

This table is a quadratic function because:

• It is not a quadratic function.

This table represents what kind of function?

• Linear

• Exponential

• Quadratic

• None of the above

What is the equation that defines this table?

• y=2x² - 3x - 1

• y = 3x² + 2x - 1

• y = x² - 3x - 1

• y = 2x² + 2x + 2

Identify the type of function from the table.

• linear

• quadratic

• exponential

• absolute value

• 98

• 128

• 158

• 242

Answer explanation

Second difference of Quadratic Functions is constant.