Linear or Quadratic Regression

Which kind of function has the same First Differences

• Linear

• Quadratic

• Exponential

• Absolute Value

What function best models the data in the table?

• linear

• exponential

• quadratic

Identify the following function. 

• Linear

• Exponential

• Quadratic

• Neither

This is a _______________ function.

• Linear

• Exponential

• Quadratic

Find the best fitting quadratic model for the data given.

• 2x² + 13x + 504.3

• 12x² + 13x + 504.3

• 0.12x² + 1.3x + 504.3

Find the quadratic regression equation for the relationship of the horizontal distance and the height of the ball in the provided table.

Using the quadratic curve of best fit, which equation most closely represents the set of data?

Using quadratic regression to write a quadratic function to represent the function of the graph.

Calculate the quadratic regression function for this table of values to the nearest tenth.

• f(x) =
   2x² - 9x + 10

• f(x)=
   3x² + 9x - 10

• f(x) =
   3.1x² - 9.2x - 10.3

• f(x) =
  2.1x² - 8.6x + 10.1

Which of the following quadratic equations best represents the following data?

• y = 4x² + 1

• y = 3x² + 8x - 3

• y = 4x²

• y = 3x² + 3x - 1