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anonymous

  • one year ago

Ok I honestly have no clue how to do this please can someone explain to me what I have to do? Choose the equation below that represents the line passing through the point (-3, -1) with a slope of 4. y-1=4(x-3) y+1=4(x+3) y-3=4(x+1) y+3=4(x-1)

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  1. pooja195
    • one year ago
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    \[\huge~\rm~y-y_1=m(x-x_1)\] (x1,y1) m=slope plug in the info

  2. anonymous
    • one year ago
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    y-3=4(x+1)?

  3. pooja195
    • one year ago
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    you have your X and Y values mixed up \(\huge\color{red}{(x_1,y_1)}\)

  4. anonymous
    • one year ago
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    I have -3 as x and -1 as y? ohh wait I see what you mean now it should be y-1=4(x-3)?

  5. anonymous
    • one year ago
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    would the 1 also become positive ?

  6. pooja195
    • one year ago
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    \(\huge~\color{red}{y+1=4(x+3) }\)

  7. anonymous
    • one year ago
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    oh ok i get it Thank you sooo much!

  8. anonymous
    • one year ago
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    ok this is another one I have no clue how to do .....well I think I just dont know what format to use If f(x) = 2x2 - 30, find f(4).

  9. pooja195
    • one year ago
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    repost that :) also you are welcome! \(\huge\color{orange}{Welcome~To~OpenStudy!!~:)}\)

  10. anonymous
    • one year ago
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    ok this is another one I have no clue how to do .....well I think I just dont know what format to use If f(x) = 2x2 - 30, find f(4).

  11. pooja195
    • one year ago
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    On a difrent post meaning close this and post again

  12. anonymous
    • one year ago
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    ohh ok

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spraguer (Moderator)
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