Slope- Intercept Form	Point-Slope Form	Standard Form	Conversions	Miscellaneous
10	10	10	10	10
20	20	20	20	20
30	30	30	30	30
40	40	40	40	40
50	50	50	50	50
Final Question

given m=3 and b= 5, write the equation of the line

given m=3 and b= 5, write the equation of the line

y=3x+5

given m= (1/2) and the point (-3, 4), write the equation of the line

y=1/2x + 11/2 or y=.5x+ 5.5

given (4, 12) and (4, 6) find the equation

x=4

given (-1,6) and (3,2) find the equation

y=-1x +5

given (1/3, -2/5) and (4/3, 3/5) find the equation

y= x - 11/15

given m= -6 and (3,5) find the equation

y-5 = -6 (x-3)

given m = 5/7 and (-18, 7) find the equation

y-7= 5/7 (x + 18)

given m=10 and b= 3 find the equation

y-3 = 10 (x - 0)

given (2, -5) and (-12,13) find the equation

y-13 = -9/7 (x +12) or y+5 = -9/7 (x - 2)

given (-1, -2) and (13, -2) find the equation

y = -2

What is the general formula for standard form?

Ax+By=C

given m=5 and b= 1, what is the equation?

5x - y = 1

given (0, 6) and (0, -3) what is the equation?

x=0

given m = 1/2 and (4,8), find the equation

1x - 2y = -12

given (9,13) and (-4, 8) find the equation

5x +y = 214

Convert x=10 to standard form

x=10

Convert 2x - 3y = 12 into slope-intercept form

y = 2/3 x - 4

Convert y = 4/5 x + 9 into point- slope form

y - 9 = 4/5 (x - 0)

Convert y+5 = 3 (x - 11) into standard form

3x - y = 38

Convert y - 47 = 2/7 ( x +17) into slope-intercept form

y = 2/7 x + 51 6/7 (or 363/7)

What is the general form of slope-intercept?

y = mx + b

What is the formula for calculating slope?

y2 - y1 / x2 - x1

What is the general formula for point-slope form?

y - y1 = m ( x - x1 )

Describe how we would find the line of best fit.

One would draw the line that hits as many points as possible, leaving the same number above as below. The line would flow with the correlation of the scatter plot. Then, two points would have to be selected from the line. The oints would be used to find slope and then the equation could be written in one of the three forms.

If a line of best fit was drawn and the equation was y = 13x - 4 where x represents years and y represents money, how much money would I have in 40 years?

$516

Write in all three forms: (27, -16) and (2, 20)

y - 20 = -1/2 (x-2) or y +16=-1/2(x-27), x +2y=42, y = -1/2x + 21

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