Linear Equations

Line of Best Fit

Correlation

Conversions

Miscellaneous

100

In slope intercept form, m represents what?

slope

100

using your calculator find the line of best fit for these points: (4, 15)(2, 7)(1, 5)

y=3.43x+1

100

If x increases and y increases the correlation is...

Positive

100

what is slope intercept form?

y=mx+b

100

What is the slope of a line with the points (-9, 17)(-1, 1)

m=-2

200

In slope intercept form, b represents what?

the y-intercept

200

find the line of best fit for these points:

(4,2), (10, 5)

y=^{1}/_{2 }x

200

Draw a positive correlation

...

200

What is Standard Form?

Ax + By = C

200

What is the y-intercept of the equation with the points: (-4, 7)(0, 8)(4, 9)

b=8

300

The formula for slope is what?

m=(y2-y1)/(x2-x1)

300

Using the line of best fit from this data, is this a positive or negative correlation?

(9, 21), (5, 16), (3, 17), (1,2)

Positive (m=2)

300

Draw a negative correlation

...

300

convert to standard form: y=3x+2

3x - y = -2

300

What is the slope of the line 3x - 2y = 1

m=3/2

400

What is the equation of the line that passes through the points (8, -12)(14, 12)?

y=4x-44

400

Using the data below, Find the line of best fit and use it to estimate y if x=5 x: 2, 4, 6, 8 y: 4, 8, 15, 16

y=10.75

400

Draw no correlation

...

400

Convert to Standard Form: y = -3/5x - 7

3x + 5y = -35

400

What is the y- intercept of 4x - 9y = -36

4

500

What is the equation of the line with a slope of -2/3, and passes through the point (6,-7)?

What is y=-2/3x - 3

500

Using the line of best fit for this data, x is about____ when y=10. x:5, 10, 15, 21 y:4, 8, 15, 16

x= about 12

500

As one variable increases the other variable decreases.

Negative correlation

500

Convert to slope intercept form: 3x - 4y = 2

y= 3/4x - 1/2

500

Find the x intercept of 3x + 4y = 9

3

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