Scatterplot Line of Best Fit Equations

Scatterplot Line of Best Fit Equations

9th Grade

20 Qs

quiz-placeholder

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Scatterplot Line of Best Fit Equations

Scatterplot Line of Best Fit Equations

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

y = -5/8x + 6

y = 5/8x + 6

y =-8/5x + 6

y = 8/5x + 6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

Media Image

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

Media Image

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

Media Image

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

Media Image

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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