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1. 2=1/2x-y (I think? I'm not positive.)
Your Not Positive ?
Someone else please check my work before confirming, I don't want to give a wrong answer ;-;
lol its ok
Standard form is `Ax+By=C` where A,B,C are whole numbers (most books make A to be a positive number)
example of standard form 2x+3y = 10
2 will be a and 3 will be b and 10 will be c
for my example, yes
the goal is to somehow transform y=1/2x-2 into the form Ax+By=C
Ok Can You Help .
first multiply every term by 2 to clear out that fraction
1/2 * 2 =1
2 x 2 =4
doing that will turn y=1/2x-2 into 2y = x - 4
now move the x over
Subtract 2 From Both Sides
you need to get the variable terms to one side
So We Dont Subtract 2 from both sides
more like subtract x from both sides
OH NVM I GET WHAT YOUR SAYING X FROM BOTH SIDES SO 1 FROM BOTH SIDES
so we now have -x+2y = -4 that's technically in standard form where A = -1, B = 2, C = -4 but most books I've seen make A > 0. Multiply both sides by -1 to get x - 2y = 4
jim ty b/c i don't know what im doing sorry :(
So My End Result Should Of Been X-2Y=4
yeah I'd go with x-2y = 4
Ok What About the second problem ?
same idea: get all of the variable terms to one side
you don't have to worry about fractions this time
lord i be confusing myself z
-7 wll be a corect ?
how do you move that -7x over? what must you do to both sides?
we have to turn that -7x into 0x somehow
subract -7 - -7 =0
you would add 7x to both sides |dw:1441330350746:dw|
you can think of it as subtracting off -7x -(-7x) = +7x
oh right sorry
either way you'll end up with 7x+y = -9