ALG Review #1

Presentation

•

Mathematics

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9th - 12th Grade

•

Practice Problem

•

Hard

Angelus DiFederico

FREE Resource

3 Slides • 10 Questions

Multiple Choice

What type of correlation does this scatter plot show?

positive

negative

no correlation

nonlinear association

Multiple Choice

What is the type of correlation?

Negative

no correlation

positive

Multiple Choice

Which of the following lines represents the line of best fit for the scatter plot?

If you dont want to hear it from me....

Multiple Choice

Suppose a LINE OF BEST FIT passes through the points (4, 8) and (6, 2). The SLOPE of this line is . . .?

-3

-6

Multiple Choice

Suppose a LINE OF BEST FIT passes through the points (6, 34) and (8, 50). The EQUATION of this line is . . .? (hint: find the slope and the equation in point-slope form. THEN put it into slope-intercept form)

y = 8x – 5

y = 2x

y = 2x + 7

y = 8x – 14

Multiple Choice

In the scatter plot, does the image shows a "Line of Best Fit"?

Yes

Best Fit Line

A line that models the trend of the data.

Best Fit Line (Linear regression)

Graph the given data.
Draw a line that represents the trend of the data.
Find the slope of two points on the line.
Find the y-intercept.
Write the equation.
Graph the given data.

Multiple Choice

Use (1997, 13) and (2005, 22) to find the slope.

8/9

9/8

Poll

How well do you understand scatter plots?

Thumbs up! (I got it)

Thumbs Sideways(Im getting it)

Thumbs down(why do we keep learning japanese in math?)

Multiple Choice

find line of best fit through these points

(1,3) (5,8)

y=1.25x+1.615

y=2x+7

y=1.7x+8

Multiple Choice

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

y=65x+7

y=1x+.64

y=1.5x+64

What type of correlation does this scatter plot show?

positive

negative

no correlation

nonlinear association

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Slide 1 / 13

MULTIPLE CHOICE

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