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anonymous

  • one year ago

help me plz Choose the slope-intercept equation of the line that passes through the point (4, -6) and is parallel to y = - x + 5

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  1. cwrw238
    • one year ago
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    standard form of slope intercept line is y = mx + b where m = slope and b = y-intercept

  2. cwrw238
    • one year ago
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    now as its parallel to y = - x + 5 the lines slope is the same so what is the slope of y = -x + 5 - compare it with the standard equation y = mx + b

  3. anonymous
    • one year ago
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    A.y = -2x + 2 B.y = 2x - 14 C.y = x - 8 D.y = - x - 4

  4. cwrw238
    • one year ago
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    m is the slope

  5. anonymous
    • one year ago
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    is it D

  6. cwrw238
    • one year ago
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    i dont know - but im trying to guide you through solving the problem |dw:1437850934578:dw|

  7. cwrw238
    • one year ago
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    look at the drawing - what is the value of m ?

  8. anonymous
    • one year ago
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    -1x wich is -x

  9. cwrw238
    • one year ago
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    -1 is the slope so we can now write the equation in the for y = -x + b now we have to find the value of b we know that the point (4,-6) lies on the line which means that x = 4 and y=-6 satisfies the equation so to find the value of b we plug in these values -6 = -4 + b

  10. cwrw238
    • one year ago
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    so what is the value of b?

  11. cwrw238
    • one year ago
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    b = -6 + 4 = ?

  12. cwrw238
    • one year ago
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    ?

  13. cwrw238
    • one year ago
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    b = -2 so the equation is y = -x - 2

  14. cwrw238
    • one year ago
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    which is not one of the choices but its correct

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