The secret word this week is ___________________________ and I chose this because it's the name of my pup.
1 point
1
Question 2
2.
True or False:
A good line of best fit must follow the slope or pattern of the points.
1 point
1
Question 3
3.
True or False:
The line of best fit must go through the origin.
1 point
1
Question 4
4.
True or False:
A line of best fit should have approximately the same number of points above and below the line.
1 point
1
Question 5
5.
True or False:
The line of best fit must go through at least 5 points.
1 point
1
Question 6
6.
Is the line of best fit drawn correctly?
1 point
1
Question 7
7.
Which of the following lines represent the line of best fit for the scatter plot?
1 point
1
Question 8
8.
Which of the following lines represent the line of best fit?
1 point
1
Question 9
9.
Is the line of best fit drawn correctly?
1 point
1
Question 10
10.
Use the line of best fit to estimate the y value when x=4
1 point
1
Question 11
11.
Is the line of best fit drawn in the correct place?
1 point
1
Question 12
12.
Use the line of best fit to estimate the x value when y=9
1 point
1
Question 13
13.
Find the slope between the points (6,4) and (9,9) on the line of best fit.
Remember the slope formula: y2-y1 / x2-x1
1 point
1
Question 14
14.
Which of the following lines represent the line of best fit?
1 point
1
Question 15
15.
Find the slope between the points (2,14) and (6,2) on the best fit line.
1 point
1
Question 16
16.
Use the slope found in question 14 and one point to find the y intercept of the line of best fit.
Points (2,14) and (6,2) AND slope -3
Remember y=mx+b
1 point
1
Question 17
17.
Using the slope and y intercept write the final slope intercept equation for the line of best fit.
Remember y=mx+b
slope: -3 and y int.: 20
1 point
1
Question 18
18.
Using the equation of the best fit line found in problem 16, estimate the y value when x = 14
y = -3x +20
1 point
1
Question 19
19.
The graph represents the remaining distance a car has and the amount of hours that passes to get home. Predict the remaining distance when 2 and a half hours has passed.
1 point
1
Question 20
20.
Which line represents the line of best fit for the scatterplot?
1 point
1
Question 21
21.
Which line represents the line of best fit for the scatter plot?
1 point
1
Question 22
22.
The graph represents the the amount of money spent in the amount of hours that passed for a babysitter. If the babysitter received $200, about how many hours did the babysitter work?