Quiz about Equation Line of Best Fit

Question 1

Click on Image. Orange points are NOT necessarily data from the set.

Accepted Answer

y = 5/6 x + 1

Answer

y = x + 5/6

Answer

y = x + 1

Answer

y = 6/5 x + 1

Question 2

Click on image. Orange points are NOT necessarily data from the set.

Accepted Answer

y = -5/8 x + 7

Answer

y = 5/8 x + 7

Answer

y = 8/5 x + 7

Answer

y = -8/5 x + 7

Question 3

Click on Image. Orange points are NOT necessarily data from the set.

Accepted Answer

y = -8/9 x + 9

Answer

y = -9/8 x + 9

Answer

y = 8/9 x + 9

Answer

y = 9/8 x + 9

Question 4

Click on Image. Orange points are NOT necessarily data from the set.

Accepted Answer

y = -x + 9

Answer

y = x + 9

Answer

y = -9x + 9

Answer

y = -9x + 1

Question 5

Question 5.

Accepted Answer

y = 1.45x + 22

Answer

y = -2x + 15

Answer

y = 1.33x + 30

Answer

y = -1.5x + 24

Question 6

The graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed. What is the equation of the line of best fit?

Accepted Answer

y = 30x

Answer

y = (3/2) x

Answer

y = 30x + 300

Answer

y = (3/2)x + 300

Question 7

What is the equation of the line of best fit?

Accepted Answer

y= $$-\frac{1}{2}x\ +\ 6$$

Answer

y= $$\frac{1}{2}x\ +6$$

Answer

y= 6x + 2

Answer

y = -2x +6

Question 8

Find the equation of the line of best fit for the given data

Accepted Answer

y= 4.19x+(-163.41)

Answer

y=163.41x+4.19

Answer

y=-163.41x+4.19

Answer

y=-4.19x+163.41

Question 9

The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding. What is the equation of the line of best fit?

Accepted Answer

y = -25x + 170

Answer

y = 25x + 170

Answer

y = -(5/8) x + 170

Answer

y = (5/8) x + 170

Question 10

What is the equation of the line of best fit

Accepted Answer

y= -2x + 10

Answer

y= 10x+ 2

Answer

y= 10

Question 11

Find the equation of the line of best fit for the given data

Accepted Answer

y = 4.19x -163.41

Answer

y = 163.41x+1.49

Answer

y =- 163.41x+ 4.19

Answer

y =- 4.19x+163.41

Question 12

What is the equation of the line of best fit?

Accepted Answer

y = 5x + 25

Answer

y = x + 25

Answer

y = 25x + 1

Answer

y = 25x + 5

Question 13

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

Accepted Answer

Yes

Answer

No

Question 14

What is the equation of the line of best fit?

Accepted Answer

y= $$\frac{1}{2}x\ +3$$

Answer

y= 2x

Answer

y=3x+7

Answer

y= $$-\frac{1}{2}x\ -3$$

Question 15

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

Accepted Answer

No

Answer

Yes

Question 16

The graph below shows the value of a computer given the age of the computer. Which equation would best fit the data?

Accepted Answer

y = -250x + 2000

Answer

y = 250x + 2000

Answer

y = -250x - 2000

Answer

y = 2000x -250

Question 17

Click on Image. Blue points are NOT necessarily data from the set.

Accepted Answer

y = -3/4 x + 9

Answer

y = 3/4 x + 9

Answer

y = -4/3 + 9

Answer

y = -3/4 x - 9

Question 18

Click on Image. Orange points are NOT necessarily data from the set.

Accepted Answer

y = 1/4 x + 5

Answer

y = 1/8 x + 5

Answer

y = 8x - 5

Answer

y = -1/4 x + 5

Question 19

Click on Image. Orange points are NOT necessarily data from the set.

Accepted Answer

y = x + 1

Answer

y = -x + 1

Answer

y = 6x + 1

Answer

y = x + 6

Question 20

Click on Image. Blue points are NOT necessarily data from the set.

Accepted Answer

y = -5/8 x + 9

Answer

y = 5/8 x + 9

Answer

y = -8/5 + 9

Answer

y = 8/5 - 9

Equation Line of Best Fit

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