Thursday, February 9, 2012

Mor math help?

1 Find the slope and y-intercept for the graph of the equation: 4x - 2y = 24



2 Find the slope and y-intercept for the graph of the equation: 12x - 4y = 96.



3 Find the slope and y-intercept for the graph of the equation: 9x - 3y = 81.



4 For banquets, Flourishing Flowers charges $60 for each standard floral arrangement plus a one time $125 fee for delivery and set up. Write an equation in slope-intercept form that shows the cost y for flowers for x number of arrangements.

1 x = 60y + 125

2 y = 60x + 125

3 y = 125x + 60

4 x = 125y + 60

Mor math help?
The equation to find slope and the y-intercept is y=mx+b where m is the slope and b is the y-intercept.



4x - 2y = 24

-2y = -4x + 24

y = 2x - 12

m= 2

y-intercept = -12



12x - 4y = 96

-4y = -12x + 96

y = 3x - 24

m= 3

y-intercept = -24



9x - 3y = 81

-3y = -9x + 81

y = 3x - 27

m = 3

y-intercept = -27



flowers: $60x

one time fee: $125

y = $60x + $125
Reply:The equation for finding the slope and y-intercept is:



y = mx + b



where m is the slope

and b is the y-intercept.



Put your problems in this form and you will be able to determine the slope and y-intercept.


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