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alphaville

What does the point of intersection between two lines in a graph tell us?

  • one year ago
  • one year ago

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  1. Rosh007
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    mathmatically we can say it(that point) is the solution of those two equations... and in anothr way we can say at that point both equation is satisfied

    • one year ago
  2. ash2326
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    A line represents a linear equation in two variables. The point of intersection of two lines is the solution of the two equations which the lines represent

    • one year ago
  3. alphaville
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    I still don't quite understand.. for example: 29.90+0.01x = 14.99 +0.025x 29.90-14.99 = 0.025x-0.01x $14.91/base cost = $0.015 taxes x=994 tickets Does this tell me the difference between the two equations to make them equal with each other?

    • one year ago
  4. ash2326
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    These two equations represent costs which are calculated in different ways. x is the no. of tickets for which the cost will be same from both ways.

    • one year ago
  5. Rosh007
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    ow I got cofused with your replay... line is a two variable equation.. or if it is one variable, then it is constant... which equals its value all time.... where cost and tickts comes?

    • one year ago
  6. alphaville
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    I'm comparing two different linear equations for two different plans

    • one year ago
  7. ash2326
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    Yeah alphaville We are trying to find the no. of tickets for which the same cost is obtained from both the plans

    • one year ago
  8. Rosh007
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    Ok..... :)

    • one year ago
  9. Rosh007
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    I thought that he is comaring betwn the two values of X, in this cas each rprsets a constant....

    • one year ago
  10. ash2326
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    @alphaville do you understand ?

    • one year ago
  11. alphaville
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    i know the result is supposed to be the number of tickets that gives the same cost for both plans or companies... it just tells us how many tickets it would take to make each plan equal with each other?

    • one year ago
  12. ash2326
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    yeah, which is a solution that satisfies both equations

    • one year ago
  13. alphaville
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    ok, thanks... i think i get it now :)

    • one year ago
  14. ash2326
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    :D

    • one year ago
  15. alphaville
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    so would a point of intersection that is relatively low tell us that there is more distance to make the plans equal to each other? (i'm just guessing based on my other results)

    • one year ago
  16. ash2326
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    No point of intersection represents that the costs are equal

    • one year ago
  17. alphaville
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    I guess I mean, Would a point of intersection that is low be better than one that is high ( if you are trying to pick the one with the lowest cost)

    • one year ago
  18. alphaville
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    compared to multiple points...

    • one year ago
  19. ash2326
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    If we are trying to pic the one with the lowest cost then it has to be a low intersection point

    • one year ago
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