All Regression

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x

What is the line of best fit?

• f(x)= 5x+1.82

• cannot be determined

• f(x)= 1.82x + 5.02

• f(x)= 1.1x + 4.2

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

Using your linear regression, what is y when x is 30?

• 61.59
• 52.46
• 57.94
• 59.76

What is the equation that models the data in the table?

Use the formula: y=a(b)^x

• y = 3(3)^x

• y = 3^x

Which of the equations below represent this table?

• y=3⋅(36)^x
• y=36⋅(3)^x
• y=3⋅(⅓)^x
• y=36⋅(⅓)^x

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Write the exponential regression equation for this data.

• Y = 8.16(2.7)^X
• Y = 81.6(2.7)^X
• Y = 8.16(.27)^X
• Y = 8.16(27)^X

Find the best fitting Quadratic model for the data

• -.26x^2-17.3x+222.8
• -.26x²+22.59x+23.02
• 2.6x²+22.9x+20.03
• 2.6x²+2.3x+23.02

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