Quiz about Barbie Bungee Preparations

Question 1

Which line best fits the data?

Accepted Answer

B

Answer

A

Answer

C

Question 2

Which line best fits the data?

Accepted Answer

A

Answer

B

Answer

C

Question 3

Which line best fits the data?

Accepted Answer

C

Answer

A

Answer

B

Question 4

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 5

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 6

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

Accepted Answer

No

Answer

Yes

Question 7

Which of the following lines represents the line of best fit for the scatter plot?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 8

Which line is the best line of best fit?

Accepted Answer

b

Answer

a

Answer

c

Answer

i don't see any lines

Question 9

What is the equation of the line of best fit

Accepted Answer

y= -2x + 10

Answer

y= 10x+ 2

Answer

y=2x+10

Answer

y= 10

Question 10

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

Accepted Answer

Yes

Answer

No

Question 11

Select the statement that best describes the line.

Accepted Answer

The line is NOT a line of best fit because it does not go through the middle of the data set.

Answer

The line is the line of best fit.

Answer

The line is NOT a line of best fit because it does not pass through two points.

Answer

The line is NOT a line of best fit because it does not go through the origin.

Question 12

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

Question 13

Write the equation of the line that passes through (4, 39.7) and (7, 64.75).

Accepted Answer

y = 8.35x + 6.3

Answer

y = 8.35x + 39.7

Answer

y = 0.12x - 39.22

Answer

y = 0.12x - 63.91

Question 14

Write the equation of the line that passes through (5, 21.85) and (7, 27.35).

Accepted Answer

y = 2.75x + 8.1

Answer

y = 2.75x - 8.1

Answer

y = 0.36x + 20.05

Answer

y = 5.5x + 11.15

Question 15

Write the equation of the line that passes through (4, 8.2) and (13, 12.7).

Accepted Answer

y = 0.5x + 6.2

Answer

y = 2x + 13.3

Answer

y = 2x + 2.2

Answer

y = 0.5x + 19.2

Question 16

Write the equation of the line that passes through (6, 35.5) and (10, 52).

Accepted Answer

$$y\ =\ 5.2x+4.3$$

Answer

$$y=5.2x+26.9$$

Answer

$$y=4.25x+10$$

Answer

$$y=4.25x+9.5$$

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