Homework Help: Algebra one, help me please?

Posted by Allyson on Monday, November 29, 2010 at 5:16pm.

Okay so, I have to write an equation in standard form, of a line that passes through the given point and has the given slope, ( M) or that passes through the given points.

Heres what I think:

1)( 4,-1) M= 3
So, it's in y=3x+B
and then, I would plug in
-1 for y, and 4 for x.

So, -1=3(4)+B
-1=12+B
Subtract 12 from -1
and get 13.
B=13
Full equation:
y=3x+13
But, how would I write this in standard form?

Could a tutor please explain to me?

Thank you.

-Allyson

Algebra one, help me please? - drwls, Monday, November 29, 2010 at 5:29pm
<<Full equation:
y = 3x+13
But, how would I write this in standard form? >>

It is already in the standard form, but the correct answer is
y = 3x - 13

You made an error after the line
-1 = 12 + b

I sure you will see it right away when you check that step.
Algebra one, help me please? - Allyson, Monday, November 29, 2010 at 5:36pm
no, that form is slope intercept form.

Isn't it?
Algebra one, help me please? - drwls, Monday, November 29, 2010 at 5:49pm
Some people consider that the standard form. If you want it in Ax + By = C form,
or Ax + By + C = 0, it is easily rearranged.

But first correct the error.

3x - y = 13

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