Question

how would you find the slope intercept form for through (4,-1), m=0

Answer 1

Any ideas?

Answer 2

I am totally lost when it comes to slope intercept. I am hoping someone will explain it to me in a way I can understand

Answer 3

Well, you have an m that is equal to 0 right?

So:

y = mx+b
and you have m = 0

so: y = 0x+b
so y = b.

That means if y = -1 (given) b = -1

So your equation becomes: y = -1.

Answer 4

oh thank you so much Zelda, that's what I needed to see to understand how to work the other problems I have like that

Answer 5

Hmm, but remember this is only when m = 0.

If you have say, m = 2?

Then what happens is (using same point) (4,-1)

Then this happens:

y = mx+b --> y = 2x+b.

Now that you know y and x, plug in and solve for b.

Once you get b, put that into the original point slope equation.

Answer 6

oh okay. so would I use this same formula if I was working on a problem for example like through (2,-4) and (0,-7)

Answer 7

Yup, fist use the slope forumla, then do it the second way.

Answer 8

okay im going to attempt it and maybe you can let me know if I am on the right track

Answer 9

Sure thing kiddo.