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iwanttogotostanford

  • one year ago

ACT MATH PREP Q: What is the slope-intercept for of 8x-y-6=0???

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  1. iwanttogotostanford
    • one year ago
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    @Musicdude @

  2. anonymous
    • one year ago
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    so to get slope intercept you have to isolate y

  3. jdoe0001
    • one year ago
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    hmmm if you solve that for "y", what does it look like?

  4. anonymous
    • one year ago
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    so add 6 to the other side subtract 8x then change the signs because you divide by -1

  5. anonymous
    • one year ago
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    thats all

  6. iwanttogotostanford
    • one year ago
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    i got y=8x+6 I already know the answer, I just need to know how to do it not the answer

  7. jdoe0001
    • one year ago
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    hmmm check your signs again

  8. jdoe0001
    • one year ago
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    but that's quite close

  9. anonymous
    • one year ago
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    yea

  10. anonymous
    • one year ago
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    y=8x-6

  11. anonymous
    • one year ago
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    the way you do this is by trying to get it to slope-intercept form which is y=mx+b

  12. jdoe0001
    • one year ago
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    \(8x-y-6=0\implies \begin{array}{llll} {\color{brown}{ 8}} x&-{\color{blue}{ 6}}=y\\ \uparrow &\uparrow \\ {\color{brown}{ slope}}&{\color{blue}{ y-intercept}} \end{array}\impliedby slope-intercept\ form\)

  13. iwanttogotostanford
    • one year ago
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    ok, thanks

  14. anonymous
    • one year ago
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    np

  15. jdoe0001
    • one year ago
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    well... actaullly includes the negative, so \(8x-y-6=0\implies \begin{array}{llll} {\color{brown}{ 8}} x&{\color{blue}{- 6}}=y\\ \uparrow &\uparrow \\ {\color{brown}{ slope}}&{\color{blue}{ y-intercept}} \end{array}\impliedby slope-intercept\ form\)

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