Equation of Best Fit Line

Equation of Best Fit Line

8th Grade

20 Qs

quiz-placeholder

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Equation of Best Fit Line

Equation of Best Fit Line

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Anthony Clark

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

y = 5/8 x + 7

y = 8/5 x + 7

y = -5/8 x + 7

y = -8/5 x + 7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

y = -3/4 x + 9

y = 3/4 x + 9

y = -4/3 + 9

y = -3/4 x - 9

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

y = x + 1

y = -x + 1

y = 6x + 1

y = x + 6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

find line of best fit through these points

y=1.27x+1.62

y=2x+7

y=1.7x+8

y=1.62x + 1.27

5.

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
y = 1.45x + 22
y = -2x + 15
y = 1.33x + 30
y = -1.5x + 24

7.

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?

y = (3/2) x

y = 30x

y = 30x + 300

y = (3/2)x + 300

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