Quadratic Lines of Regression

What type of regression is shown in the scatterplot?

• Linear

• Exponential

• Quadratic

• No correlation

Which type of regression model does the scatter plot appear to show?

• linear

• exponential

• quadratic

Based on this pattern, would a Linear or Quadratic model be most appropriate?

• Quadratic

• Linear

• Non-Linear Correlation
• Postive, Linear Correlation
• Negative, Linear Correlation
• No Correlation

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

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

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 strategy can I use to solve this problem?

• Solve Systems

• Linear Regression

• Quadratic Regression

• Exponential Regression

Find the quadratic regression for the following data:

• y =
   1.8x² - 20x+173

• y=
  2x² - 34x+165

• y=
   -1.5x² +45x-130

• y=
  4x² - 130

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