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Algebra uno check+ help?

So, I've got these problems:
To tell which form the equation is in.

1)2x+8y=-3
I think this one is standard form.

2)y=-5x+8
I think this is slope intercept form.

3)y+4=2(x-6)
I think this is also slope intecept form.

Could somebody tell me if my answers are correct, if not explain why it's not?

Thanks

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Allyson

  1. (1), (2) correct.
    (3) This is the point-slope form, i.e.
    (y-y1)=m(x-x1)
    represents a line that passes through point (x1,y1) with a slope of m.

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