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how can i write it in slope intercept form?

2007-01-11 15:07:48 · 16 answers · asked by Barrett R 2 in Science & Mathematics Mathematics

16 answers

isolate the y

-3y=-18-x
y=-18/-3 -x/-3
y=6+x/3

2007-01-11 15:10:49 · answer #1 · answered by Sharp Marble 6 · 0 0

Starting with

x-3y = -18

Subtract x from both sides:

-3y = -18 - x

Now, divide both sides from -3:

y = (-18/-3) - (x/-3)

Simplifying, that becomes:

y = 6 + (1/3)*x

Slope is 1/3 and intercept is 6.

2007-01-11 23:12:12 · answer #2 · answered by Iago 2 · 0 0

the x would be the horizontal axis. The y will be the vertical axis.
here are the steps...
1. x - 3y = -18
2. -3y = -18 - x
3. 3y = -1 (-18 -x)
4. 3y = 18 + x ----> 3y = x + 18
5. y = (18 + x) / 3 which is the final answer

2007-01-11 23:15:03 · answer #3 · answered by LadyXSakura 3 · 0 0

x-3y=-18 into the form of y=?

you have to get y by itself

subtract x from both sides: -3y = -18 - x
divide by -3: y = (-18-x)/-3

now you can split the fraction up into two frations:
y = -18/-3 - x/-3

see they have the same denominator and the same sign inbetween them.

now simplify: y = 6 + x/3

2007-01-11 23:11:23 · answer #4 · answered by rrossorr 3 · 0 0

1) move variables around until you have only y's on the left

-3y = -x -18

2) divide both sides by the factor of y (in this case, -3)

(-3/-3)y = (-1/-3) + (-18/-3)

y = (1/3)x + 6

2007-01-11 23:12:31 · answer #5 · answered by Raymond 7 · 0 0

You divide 3y and 18 by 3..
so then your equation is:
x-y=-6
your y intercept is 6
thats weird... Im doing the exact same thing in math right now!! I'm ini 7th grade!

2007-01-11 23:13:36 · answer #6 · answered by Anonymous · 0 0

x-3y=-18 subtract x from each side
-3y=-x-18 divide both sides by -3
y=x/3+6

2007-01-11 23:17:39 · answer #7 · answered by yupchagee 7 · 0 0

x-3y=-18
-3y= -(18+x)
y= -(18+x)/-3
y=6+x/3

2007-01-12 02:23:56 · answer #8 · answered by Ms. M 3 · 0 0

y = ( 18 - x ) / 3

2007-01-11 23:10:12 · answer #9 · answered by steve 6 · 0 1

x-3y=-18

-3y=-18-x

-3y/-3=(-18-x)/-3

y=6+x/3

2007-01-11 23:11:56 · answer #10 · answered by 2Bs 3 · 0 0

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