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anonymous

  • one year ago

Help: What is the equation of a line that passes through (4, 7) and has a slope of −14? y=x4−74 y=−x4+74 y=−x4+8 y=x4+8

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  1. MrNood
    • one year ago
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    I think you have typed this wrong is the slope -4 (or -14) answers would normally be something like y=-14x +10 why are they written y = x4 ....?

  2. anonymous
    • one year ago
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    What is the equation of a line that passes through (4, 7) and has a slope of −1/4? y=x/4−7/4 y=−x/4+7/4 y=−x/4+8 y=x/4+8

  3. anonymous
    • one year ago
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    sorry they where all fractions

  4. MrNood
    • one year ago
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    ok - that is better so - a straight line has an equation y=mx+b where m and b are constant values m is the slope SO to start with: you know the slope is -1/4 which 2 answers have a slope of -1/4 ?

  5. anonymous
    • one year ago
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    a and b?

  6. MrNood
    • one year ago
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    |dw:1444132148614:dw| which have a value of -1/4 in front of the x?

  7. anonymous
    • one year ago
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    oh c and d

  8. MrNood
    • one year ago
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    no - it's not c+d look at teh value in front of the x that is the slope value you want to find the options where that value is -1/4

  9. anonymous
    • one year ago
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    so its c

  10. MrNood
    • one year ago
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    no Sorry - I can't see where teh difficulty is 2 of those answers have -1/4 in front of the x which are they? \[\frac{ -x }{ 4 } = \frac{ -1 }{ 4 }x\]

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