graphing 3x-7y=21??
I got x=7 and y=-3, but i have no idea how to graph it.

Question

graphing 3x-7y=21??
I got x=7 and y=-3, but i have no idea how to graph it.

anonymous · Answer

Wrong topic, but anyway, I think the easiest way to graph this is to re-write the equation in slope-intercept form as following . . .

3x-7y=21
3x-21=7y
After dividing everything by 7 you get. . .$$y=\frac{ 3 }{ 7 }x-3$$
Now it can easily be seen that the slope is 3/7 and the y-intercept is -3.

anonymous · Answer

Next time, post it in mathematics. Click "Find more subjects" at the top left

anonymous · Answer

@nodnerb93 @blufoot Sorry I wasn't paying attention last night when I posted this! Was stressing out over a test, I'm almost always posting in the mathematics section. I'm sorry! But thank you very much! Very appreciated! :)