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hba

In the xy-plane,the graph of the function h is a line.If h(-1)=4 and h(5)=1,what is the value of h(0) ?

  • one year ago
  • one year ago

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  1. Rosh007
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    I think it will b helpful if you consider h as f(x) that is H(-1)=4 means... when value of x is -1 ; y value (f(x)= is 4... and soon.. construct the the line equation using two point form.. then find value for h(0)

    • one year ago
  2. hba
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    (-1,4) and (5,1)

    • one year ago
  3. philo1234
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    We can find 2 points from h(-1)=4 and h(5)=1

    • one year ago
  4. Rosh007
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    yes.. you got it

    • one year ago
  5. Rosh007
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    now construct line equation

    • one year ago
  6. hba
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    What next ?

    • one year ago
  7. philo1234
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    Use the points to find the slope

    • one year ago
  8. hba
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    y-y1=m(x-x1) ??

    • one year ago
  9. Rosh007
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    yes

    • one year ago
  10. hba
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    m=y2-y1/x2-x1

    • one year ago
  11. Rosh007
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    yes

    • one year ago
  12. hba
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    m=-1/2

    • one year ago
  13. hba
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    y+1=-1/2(x-4)

    • one year ago
  14. Rosh007
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    ??? what is x1 and y1

    • one year ago
  15. hba
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    (x1,y1)=(-1,4)

    • one year ago
  16. Rosh007
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    y+1=-1/2(x-4) is it y-y1=m(x-x1) ??? can you please check...

    • one year ago
  17. Rosh007
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    your slope is correct...but the point you took is wrong

    • one year ago
  18. hba
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    No it is correct :)

    • one year ago
  19. hba
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    Do i have to take the other two points ?

    • one year ago
  20. Rosh007
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    is it...I have doubt.. y1 is 4 and x1 is-1... but in the abopve equation you took y1 as -1 and x1 as 4 amI right?

    • one year ago
  21. hba
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    My bad :(

    • one year ago
  22. Rosh007
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    :) correct it

    • one year ago
  23. hba
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    y-4=-1/2(x+1)

    • one year ago
  24. Rosh007
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    yes.. now find h(0)

    • one year ago
  25. hba
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    Ok so x=0

    • one year ago
  26. Rosh007
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    yes

    • one year ago
  27. hba
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    7/2=y < So 3.5 right ?

    • one year ago
  28. Rosh007
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    yes.. good.. you got it

    • one year ago
  29. hba
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    Thanks alot @Rosh007

    • one year ago
  30. Rosh007
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    welcome hba

    • one year ago
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