Question

find the slope and y-intercept of each line:
3x-4y=12

Answer 1

have you seen the slop intercept form : y=mx+b?

Answer 2

yes but how do i get i to y=mx=b form

Answer 3

alright so first you want y by itself correct? what can you do to get y by itself

Answer 4

and when i say y i mean -4y

Answer 5

subtract the 3x

Answer 6

yep now what do you get?

Answer 7

you have -4y=12-3x
-3 would be your slope and 12 is your y intercept?

Answer 8

not exactly , the equation says y=mx+b, not -4y=mx+b. so you need one more step to get y's constant to be one

Answer 9

divide by -4
?

Answer 10

yep =]

Answer 11

so -3/4 and 3

Answer 12

now you should have it in y=mx+b where m = slope and b is your y intercept

Answer 13

12/-4=-3

-3/-4 = 3/4

Answer 14

thanks

Answer 15

just a sign error but yes you have the right idea