Thursday 2/11--Line of Best Fit

Thursday 2/11--Line of Best Fit

Complete your minutes for today

I can find and interpret line of best fit

Mod 6 Lesson 7 and 8

Review from Tuesday

Scatter Plots and Association

Multiple Choice

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Multiple Choice

What type of association does this scatter plot represent?

• positive linear association
• negative association
• no association
• nonlinear association

Multiple Choice

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Multiple Choice

What type of correlation does this graph show?

• Positive
• negative
• none
• all of the above

Multiple Choice

What type of correlation does this scatter plot show?

• positive linear association
• negative linear association
• no association
• nonlinear association

Multiple Choice

What are the coordinates of the outlier?

• (1,9)

• (9,1)

• (2,2)

• y=x

Line of Best Fit Quizizz Questions

Multiple Choice

Which line is the best line of best fit?

• a

• b

• c

• i don't see any lines

Multiple Choice

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Multiple Choice

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Finding Equation of a Line Review

y = mx + b

Find slope; Find y-intercept

y = mx + b

Equation of a Line Quizizz

Multiple Choice

Which equation is being represented by this line?

• y = -1x + 2
• y = 1/2x + 2
• y = 3x -4
• y = -3x +2

Multiple Choice

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

Multiple Choice

What is the y-intercept of the line graphed below?

• 3
• 4
• -3
• 4/3

Multiple Choice

Find the slope

• -2/3
• 3/2
• -3/2
• 2/3

Multiple Choice

What is the y- intercept of the graph of y = -5x + 6

• 5

• -5

• 6

• -6

Summary Quizizz Questions

Multiple Choice

What is the equation of the line of best fit?

• y= 2x+3

• y=3x+2

• y= $\frac{1}{2}x\ +3$

• y= $-\frac{1}{2}x\ +3$

Multiple Choice

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

Multiple Choice

What is the equation of the line of best fit

• y= -2x + 10

• y= 10x+ 2

• y=2x+10

• y= 10

Multiple Choice

What is the equation of the line of best fit?

• y= $-\frac{1}{2}x\ +\ 6$

• y= $\frac{1}{2}x\ +6$

• y= 6x + 2

• y = -2x +6

Lesson 8 Pset #1,2,3

Lesson 9 Pset #1,3

Quizizz on Functions

Code: 47397996