Scatterplot Line of Best Fit Equations

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = -5/8x + 6
y = 5/8x + 6
y =-8/5x + 6
y = 8/5x + 6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line given and write an equation.
y = 0x +10
y= 0.1x+10
y= 10x +0
y= 0.1x +0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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?
y = -25x + 170
y = 25x + 170
y = -(5/8) x + 170
y = (5/8) x + 170
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If m = -3/4 and b = 9, what is the equation of the trend line in y= mx + b?
0 = -3/4 (9) +9
y = -3/4 x + 9
y = -3/4 x - 9
y = 3/4 + 9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the line of best fit
y= -2x + 10
y= 10x+ 2
y= 10
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation could describe the line of best fit for this graph?
y = 5x + 236
y = -5x + 236
y = 1/5x + 236
y = -1/5x + 236
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