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Equations for Trend Lines

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Equations for Trend Lines
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20 questions

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1.

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

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Q2. What is the equation of the line?

y = -5/8x + 6

y = 5/8x + 6

y =-8/5x + 6

y = 8/5x + 6

3.

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

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Write an equation for the given trend line

y= 0.4x

y= 2.5x

y= -0.4x

y= -2.5x

Tags

CCSS.8.EE.B.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the EQUATION for the trend line (in slope-intercept form) using the points (2, 2) and (4, 3).

y = 1/2x + 3

y = 1/2x + 1

y = 1/2x + 2

y = 1/2x + -1

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

y= 8/7x+1
y= 7/8x+1
y= -7/8 +1
y= -8/7+1

Tags

CCSS.8.EE.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

y= 1/2x+8
y= -1/2x+8
y= 1/4x+8
y= -1/4+8

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