Linear Equations and Line of Best Fit

Which equation matches the table below?

• y = 3x - 6

• y = -3x + 6

• y = 3x + 6  

• y = -3x - 6

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation best represents the relationship between x and y in the table shown?

• y=5x + 10

• y=1/5x+5

• y= 5x+5 

• y=10x+5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

• y = 61.93x - 1.79

• y = -1.79x + 61.93

• y = 0.016x + 0.03

• y = 0.03x + 0.016

What is the y-intercept of
2x-5y=35?

• (0,-7)

• (-7,0)

• (35/2, 0)

• (0,35/2)

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Using Desmos.com, find an equation of the line of best fit for the data. Round the slope and the y-intercept to the nearest hundredth. Select the correct line of best fit.

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170

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

Tags

CCSS.HSF.LE.B.5

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

Tags

CCSS.8.EE.B.5

Find the equation of the line of best fit for the given data

• y = 163.41x+1.49

• y =- 163.41x+ 4.19

• y =- 4.19x+163.41

• y = 4.19x -163.41

What is the equation of the line of best fit?

• y= 6x + 2

• y = -2x +6

Tags

CCSS.8.EE.B.5