Equation of the Line of Best Fit

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170

What is the line of best fit?

• y = 5/3x + 375

• y = 1/3x + 475

• y = 5/3x + 3

• y = 1/3x + 375

What is the equation of the line of best fit?

• y= 6x + 2

• y = -2x +6

What is the equation of the line of best fit?

• y= 2x+3

• y=3x+2

Which of the following could be a possible line of best fit for the data?

• y = 3x + 0

• y = 5/6x + 490

• y = -2x + 470

• non linear

The line of best fit for the line that goes through (3, 8) and (7, 22)

• y = 2/7x + 50/7

• y = 7/2x - 5/2

• y = 1/3x + 7

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20

• y = -x + 19

• y = x + 20

• y = 2/3x + 15 

A farmer bought a calf and plans to raise it for a county fair contest. The graph shows the relationship between the weight of the calf, p, in pounds, and the number of weeks, w, since the farmer bought the calf. Which equation BEST represents the relationship between p and w?

• p=0.1w+81

• p=13w+67

• p=16w+66

• p=21w+81

Is this line an accurate line estimate of best fit for the data?

• Yes

• No