NEED HELP FAST! I WILL GIVE MEDAL AND FAN!!
Write the equation of the line that is parallel to the line 3x - y = -3 and passes through the point (4, -2).

- anonymous

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- hartnn

what have you tried? :)

- hartnn

could you find the slope of 3x - y = -3 ?

- Pawanyadav

Slope of line must be 3.
y=3x+3
Comparwith
y=mx+c

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## More answers

- Pawanyadav

Let eq be
y=3x+c
Find c by satisfying the equation with
(4,-2)
Then put value of c in above equation you will get the answer.

- Pawanyadav

Slope of line must be 3.
y=3x+3
Comparwith
y=mx+c

- anonymous

So i have to change the equation to y=mx+b?

- Pawanyadav

Yes

- anonymous

so it would be y=3x-3?

- Pawanyadav

Y=3x+3

- anonymous

in the answer choices they're looking for a fraction in the equation

- hartnn

you got how the slope is 3 ?

- anonymous

yes i get that part

- anonymous

becaus b= slope in y=mx+b

- hartnn

yes, so
your answer will be of the form
y - 3x +c
now we have the point 4,-2
plug in x= 4, y= -2 in that

- hartnn

in
y= 3x+c
**

- Pawanyadav

No m is the slope .

- anonymous

-2 = 3*4 + c

- Pawanyadav

b is the point where the line cuts the y-axis

- anonymous

yes the y-intercept sorry i got confused for a second i realize that now thank you

- hartnn

-2 = 3*4 + c
yes thats right,
now what is c ?

- anonymous

3?

- Pawanyadav

Welcome, now solve other part carefully.

- hartnn

how?
-2 = 12 +c
subtract 12 from both sides to get c

- anonymous

-14 = c

- anonymous

-2 =3*4 -14

- hartnn

yes,
so your equation as of now is
y = 3x -14
right ?
now what are your choices?

- anonymous

no right now i have -2 = 3*4 - 14

- hartnn

we had
y = mx +c
the slope we got , m = 3
so we were
y= 3x +c.
now we need to just find the "c" part.
for which we used the given point.
and got c = -14

- hartnn

and if we plug c in
y = 3x+c,
we get
y = 3x -14 :)

- anonymous

yes! but the answer choiches all have fractions in them

- anonymous

nevermind

- anonymous

that is correct thanks so much for your help!

- hartnn

most welcome ^_^
hallp to help :)

- hartnn

*happy

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