Equations for Trend Lines

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

Q2. What is the equation of the line?

• y = -5/8x + 6

• y = 5/8x + 6

• y =-8/5x + 6

• y = 8/5x + 6

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

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

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

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

Tags

CCSS.8.EE.B.5

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

Which of the following could be the equation of the trend line for this graph?

• There is no trend line because there is no association

The equation of the trend line
is  y= 1/2x +1
How many laps can a bicycle
make around the park in
23 minutes?    

• 44 laps

• 12 1/2 laps

• 23 laps

Which equation could be a trend line for this graph?

• There is no trend line because there is no association