Math question
Well do you understand how to actually do it?
Oh boy.
Ok can you graph it on here, via draw tool
Nullius in verba, can you explain how you drew it, like what steps you took, I don't mean to doubt you, but I just want to know you understand :)
Ok lets look at B, a nice way to graph these, lets say without points (ignore the intersection right now) is by just using the intercepts, so what are the x and y intercepts for the equations in question B?
Lets focus on 3x-y=1, the x and y intercepts are a very easy way to graph lines, as we are basically just connecting the dots. To find the x - intercept we let y = 0 and solve for x, for y - intercept we set x = 0 and solve for y, so try finding the intercepts again for this equation.
We are finding the intercepts, with the following method above, really what we're doing is finding two points which will let us graph the linear line. So we have the equation \[3x-y=1\] now lets solve for the intercepts, starting off by letting y = 0 (to solve for x intercept) \[3x-(0)=1 \implies 3x=1 \implies x = \frac{ 1 }{ 3 }\] so our x - intercept is 1/3 for this equation, which means we have the point \[(\frac{ 1 }{ 3 },0)\] similarly for the y - intercept we let x = 0 and solve for y, can you solve for y here?
I think you meant y = -1 right?
Our point then is (0,-1) now we have two points for this equation (1/3,0) and (0,-1) and now we can graph this equation easily
|dw:1443831427421:dw| notice here we just connect the two dots and make our line
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