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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Friday, December 6, 2013 at 10:56am.

Now, I have the point-slope form of y + 1= 1(x + 2) and the standard form of y – 1x = -1. When I convert into slope-intercept form, I am getting the slope as -1, which is the problem. Could someone please tell me where I am going wrong?

- Algebra -
**Anonymous**, Friday, December 6, 2013 at 11:17amActually, the slope is not -1, but the y-intercept comes up as -1.

- Algebra -
**Reiny**, Friday, December 6, 2013 at 12:40pmyour slope is correct as +1

your equation of

y+1 = 1(x+2) is also correct

then y+1 = x+2**y = x+1**---> slope-yintercept form

y-x = 1**x - y = -1**----> standard form ( I multiplied each term by -1)

- Algebra -
**Anonymous**, Friday, December 6, 2013 at 12:51pmSo, how did you multiply the terms by -1?

- Algebra -
**Anonymous**, Friday, December 6, 2013 at 1:17pmAnd how do you rewrite x - y = -1 into slope-intercept form?

- Algebra -
**Reiny**, Friday, December 6, 2013 at 4:32pmin standard form we usually lead with the x term with a positive coefficient, so I wanted a +x as my first term, it was -x .

to change a standard form to slope- yintercept form usually takes 2 steps:

1. move all terms except the y term to the right

e.g.

4x - 5y = 8 ---≥ -5y = -4x + 8

2. divide each term by the coefficient of the y term

-5y = -4x + 8 ----> y = (-4/-5)x + 8/-5

y = (4/5)x - 8/5 , just an example, has nothing to do with your question

apply those 2 steps to your question.

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