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January 30, 2015

January 30, 2015

Posted by **terra** on Tuesday, September 20, 2011 at 6:20am.

- math -
**bobpursley**, Tuesday, September 20, 2011 at 6:45amAre you certain that is what the symbols are for? I would ask your teacher again. using those symbols for this is non-standard practice.

- math -
**terra**, Tuesday, September 20, 2011 at 6:48amYes, he said that the one with one arrow means "if and only if" and then the other one, I have no clue. And I feel like he changes when he uses them so I'm confused hahah. I would just use and equals sign.

- math -
**bobpursley**, Tuesday, September 20, 2011 at 6:50amStandard: IFF means if and only if.

- math -
**joeu**, Tuesday, September 20, 2011 at 7:00ami need to write and equation in the form y=mx+b for a line with slope 3,5and y-intercept0,4

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