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Mathematics

8th Grade

CCSS covered

Scatter Plots and Line of Best Fit Review
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15 questions

Show all answers

1.

DRAG AND DROP QUESTION

1 min • 1 pt

What is another term for trend line? (a)  

Straight line

Linear

Line of Best Fit

Tags

CCSS.8.EE.B.5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which scatter plot(s) could be used to show the relationship between a person's age and a person's height?

3

4

5

6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which scatter plot(s) could be used to show the relationship between a person's age and the number of syllables in a person's first and last name?

3

4

5

6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do I determine the y-intercept of the trend line from a graph?

Rise Run\frac{Rise\ }{Run}

look where the line crosses the y-axis

use the slope formula

Tags

CCSS.8.EE.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Write the equation of the trend line in slope-intercept form.

y=−12x+6y=-\frac{1}{2}x+6

y=12x−6y=\frac{1}{2}x-6

y=6x+12y=6x+\frac{1}{2}

y=−6x+12y=-6x+\frac{1}{2}

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Write an equation of the trend line in slope-intercept form.

y = −2x−155y\ =\ -2x-155

y=25x+150y=25x+150

y= 150x+200y=\ 150x+200

y=−30x+150y=-30x+150

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Write an equation of the trend line in slope-intercept form.

y = 10xy\ =\ 10x

y=3x+250y=3x+250

y=25xy=25x

y=50xy=50x

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