Line of Best Fit

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

Tags

CCSS.8.EE.B.5

find line of best fit using graphing calculator through these points (0,0) (1,2) (3,5) (6,7)

• y=65x+7

• y=1.14x+.64

• y=1.5x+64

Tags

CCSS.8.EE.B.5

If the line of best fit is given, y = 31.45x - 242.3, where x represents hours and y represents income...

Determine the predicted income if 22 hours were worked on an assembly job.

• $207.30

• $449.60

• $691.90

• $543.30

Tags

CCSS.HSF.LE.B.5

Which would best fit the following data:

{(-15, 53.5), (-14, 28), (-3, 18), (0, 4), (6, 27), (14, 50)}

Hint: Put the table or points into DESMOS and look at what shape they take

• Line of best fit

• Curve of best fit

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

• To make it look like you know what you are doing

Which would best fit the following data:

{(-15, 53.5), (-14, 28), (-3, 18), (0, 4), (6, 27), (14, 50)}

Choose ALL correct answers.

• Linear Regression

• Quadratic Regression

• Line of Best Fit

• Curve of Best Fit

If this is an equation for a curve of best fit, find the output (y) when the input (x) is 13:

y = 1.2x² - 3.7x - 19

• -51.5

• 135.7

• 154.7

• 183,8

For which set of data would a linear model best fit?

• 
• 
• 
• 

Tags

CCSS.8.F.A.3

Find the line of best fit through these points (0,0) (1,2) (3,5) (6,7).

• y=65x+7

• y=1.14x+.64

• y=1.5x+64

Tags

CCSS.8.EE.B.5

What would the equation be that best fits this data?:

{(-15, 53.5), (-14, 28), (-3, 18), (0, 4), (6, 27), (14, 50)}

• y = .17x²+.45x+12.43

• y = .16x²+.45x+12.42

• y = -.04x + 30

• y = -.03x + 30