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  • Calling all math people!

    Ok I need some help with my college algebra. The first problem I have to put the final equations or lines in both slope-intercept form and standard form.

    The problem is: Find the slope and the right the equation of the lines in both slope-intercept form through the points of (-2,3) and (7,-3).

    Call me dumb but im lost here. Anyone got any help?
    1995 Patriot Red T-Topped Z28 A4<br /><br />Mystery rebuild in progress.<br /><br />Soon to have 383 ways to beat KBreezy and Shane. :D

  • #2
    Re: Calling all math people!

    F%#king math bull$hit

    There's no free-tutor/study sessions at your college?
    1999 Camaro Z/28
    1973 Firebird Formula

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    • #3
      Re: Calling all math people!

      Originally posted by badinfluenceRS
      F%#king math bull$hit

      There's no free-tutor/study sessions at your college?
      They give me the answers and I want to know how to do this bull$hit.
      1995 Patriot Red T-Topped Z28 A4<br /><br />Mystery rebuild in progress.<br /><br />Soon to have 383 ways to beat KBreezy and Shane. :D

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      • #4
        Re: Calling all math people!

        Originally posted by 4thgenowner
        The problem is: Find the slope and the right the equation of the lines in both slope-intercept form through the points of (-2,3) and (7,-3).
        m = delta(y) / delta(x)

        m = [3 - (-3)]/[(-2) - 7] = -6/9 = -2/3

        * forgot the negative sign.
        Last edited by IICODECll; 10-09-2007, 09:04 PM.

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        • #5
          Re: Calling all math people!

          y= -6/9x+b then plug in a point to get y int. -3= -2/3(7)+b -4.66+b= -3 so then b = 5/3 final equation is y= -2/3x + 5/3 i could be wrong its been about 3 years so double check that
          1997 Camaro LS1 RS
          1994 Camaro - Sold
          1999 Trans am Vert - Sold

          A Few Mods....

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          • #6
            Re: Calling all math people!

            Im still soo lost, thanks guys lol.
            1995 Patriot Red T-Topped Z28 A4<br /><br />Mystery rebuild in progress.<br /><br />Soon to have 383 ways to beat KBreezy and Shane. :D

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            • #7
              Re: Calling all math people!

              (y2-y1)/(x2-x1) its been a while for me too, but for some reason thats an equation ive always remembered.
              (3+3)/(-2 -7)
              6/-9
              = -2/3
              2002 SOM Camaro- Sold
              2006 S60- Sold
              2000 Cherokee- The desert whip

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              • #8
                Re: Calling all math people!

                I just got a headache from reading that crap.
                *Matt


                Old people shouldnt use the internet.

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                • #9
                  Re: Calling all math people!

                  Ok now I get this crap. Thanks guys!
                  1995 Patriot Red T-Topped Z28 A4<br /><br />Mystery rebuild in progress.<br /><br />Soon to have 383 ways to beat KBreezy and Shane. :D

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                  • #10
                    Re: Calling all math people!

                    Oh god how I wish I was still doing this math. Enjoy it, and hope your major doesn't involve higher math.
                    <b><i>Don\'t Ever Judge Me</i></b><br /><a href=\"http://www.cardomain.com/id/earnhardt132000\" target=\"_blank\">\'96 Firebird Y87 3.8L V6 5spd</a><br />--No mods as of yet, shoot me some ideas if ya want.<br />178,000 miles and counting

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                    • #11
                      Re: Calling all math people!

                      Okay standard equation for a line is..

                      Y=mx+b

                      Y=the second number in your coordinates (x,y)
                      M=the slope of the line
                      X=the first number in coordinates(x,y)
                      B=the Y intercept or where the line crosses the Y axis (vertical line)

                      So you have the points (-2,3) and (7,-3) and you know that the M (the slope) and B (the Y intercept) are the same.

                      First find the slope. You can find it by taking the rise over run. So from (-2,3) and (7,-3) it rises -6 and runs 9. -6/9= -2/3 = M

                      Next, plug M and one set of coordinates into the formula Y=mx+b. So, 3= (-2/3*-2)+b Now solve for "b".
                      Take -2/3*-2= 4/3 3=4/3+b
                      Subtract 4/3 from 3 to get 5/3 5/3=b

                      Answer is Y=-2/3x+5/3

                      Hope this helps. If not I would just go talk to your teacher.
                      -Travis-<br /><br />1999 Hugger Orange Camaro-stock<br /> <a href=\"http://www.cardomain.com/ride/763509\" target=\"_blank\">http://www.cardomain.com/ride/763509</a>

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                      • #12
                        Re: Calling all math people!

                        Damn just read your post saying that you understand now. Well, that was a waste of time for me than.
                        -Travis-<br /><br />1999 Hugger Orange Camaro-stock<br /> <a href=\"http://www.cardomain.com/ride/763509\" target=\"_blank\">http://www.cardomain.com/ride/763509</a>

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                        • #13
                          Re: Calling all math people!

                          Originally posted by Earnhardt132000
                          Oh god how I wish I was still doing this math. Enjoy it, and hope your major doesn't involve higher math.
                          Yeah really, calc II ftl
                          Black \'94 Trans Am A4- SLP CAI & Loudmouth<br />Red \'93 Firebird A4- Ram Air under the WS6 hood, !cat, exhaust.

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                          • #14
                            Re: Calling all math people!

                            Originally posted by huggercamaro99
                            Damn just read your post saying that you understand now. Well, that was a waste of time for me than.
                            good practice.
                            1995 Patriot Red T-Topped Z28 A4<br /><br />Mystery rebuild in progress.<br /><br />Soon to have 383 ways to beat KBreezy and Shane. :D

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                            • #15
                              Re: Calling all math people!

                              Originally posted by 4thgenowner
                              good practice.
                              Yeah, but I'm all done with my math classes. So no need.
                              -Travis-<br /><br />1999 Hugger Orange Camaro-stock<br /> <a href=\"http://www.cardomain.com/ride/763509\" target=\"_blank\">http://www.cardomain.com/ride/763509</a>

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