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Mathematics 11 Online
OpenStudy (anonymous):

help me graph a line? medal

OpenStudy (anonymous):

OpenStudy (anonymous):

algebra 3x-y=6

OpenStudy (anonymous):

subtract 3x from both sides you have -y=-3x+6

OpenStudy (anonymous):

then just divide out the negative

OpenStudy (anonymous):

when you subtract you get -y=-x+3?

OpenStudy (anonymous):

when you subtract 3x you move it to the right

OpenStudy (anonymous):

oh okay

OpenStudy (shadowlegendx):

3x - 2y = 6 They want you to graph this line. But first you need to convert this equation into slope intercept form. Slope Intercept Form: y = mx + b 3x - 2y = 6 Subtract 3x from both sides -2y = -3x + 6 Divide both sides by -2 y = 3/2x - 3

OpenStudy (anonymous):

you subtract from both sides so subtracting -3x from the left leaves you -y and subtracting from the right leave you 6-3x

OpenStudy (anonymous):

oh okay thank you. you guys are life savers.

OpenStudy (shadowlegendx):

@michaelvelarde you are forgetting -2y

OpenStudy (anonymous):

oops didnt notice it was -2y

OpenStudy (anonymous):

yeah subtracting 3x from 3x-2y leaves -2y and makes the right 6-3x

OpenStudy (shadowlegendx):

y = 3/2x - 3 would be the correct form. Use this to graph the line Slope = 3/2 y-intercept = -3 If you need help graphing, let me know :P

OpenStudy (anonymous):

is this correct?

OpenStudy (shadowlegendx):

Yes, that's correct

OpenStudy (shadowlegendx):

@michaelvelarde -3/2x is no longer negative. When you divided -3x by -2, the negatives cancelled out and it converted to a positive. Also you forgot to add the x.

OpenStudy (shadowlegendx):

All you have to remember for this type of lesson is the formula, y = mx + b, and know what each part of the equation means. y = any y point m = slope x = any x point b = the y intercept Just convert the given equations into the y-intercept form and graph c;

OpenStudy (anonymous):

thank you that was helpful. (:

OpenStudy (shadowlegendx):

No problem :) Glad I could help!

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