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hba

  • 3 years ago

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) ?

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  1. Rosh007
    • 3 years ago
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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)

  2. hba
    • 3 years ago
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    (-1,4) and (5,1)

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

  4. Rosh007
    • 3 years ago
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    yes.. you got it

  5. Rosh007
    • 3 years ago
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    now construct line equation

  6. hba
    • 3 years ago
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    What next ?

  7. philo1234
    • 3 years ago
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    Use the points to find the slope

  8. hba
    • 3 years ago
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    y-y1=m(x-x1) ??

  9. Rosh007
    • 3 years ago
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    yes

  10. hba
    • 3 years ago
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    m=y2-y1/x2-x1

  11. Rosh007
    • 3 years ago
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    yes

  12. hba
    • 3 years ago
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    m=-1/2

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

  14. Rosh007
    • 3 years ago
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    ??? what is x1 and y1

  15. hba
    • 3 years ago
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    (x1,y1)=(-1,4)

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

  17. Rosh007
    • 3 years ago
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    your slope is correct...but the point you took is wrong

  18. hba
    • 3 years ago
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    No it is correct :)

  19. hba
    • 3 years ago
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    Do i have to take the other two points ?

  20. Rosh007
    • 3 years ago
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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?

  21. hba
    • 3 years ago
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    My bad :(

  22. Rosh007
    • 3 years ago
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    :) correct it

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

  24. Rosh007
    • 3 years ago
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    yes.. now find h(0)

  25. hba
    • 3 years ago
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    Ok so x=0

  26. Rosh007
    • 3 years ago
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    yes

  27. hba
    • 3 years ago
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    7/2=y < So 3.5 right ?

  28. Rosh007
    • 3 years ago
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    yes.. good.. you got it

  29. hba
    • 3 years ago
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    Thanks alot @Rosh007

  30. Rosh007
    • 3 years ago
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    welcome hba

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