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anonymous

  • one year ago

rewrite in standard y-format 2x-y-6=0 4x+2y+8=0

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  1. anonymous
    • one year ago
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    @Nishant_Garg

  2. anonymous
    • one year ago
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    @David27

  3. anonymous
    • one year ago
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    @phi @Math.Is.My.Life @Nishant_Garg @sohailiftikhar

  4. anonymous
    • one year ago
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    Do you want to write the equation as y in terms of x?

  5. anonymous
    • one year ago
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    i don't know :/ the question says to rewrite the equations in standard y=format

  6. anonymous
    • one year ago
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    ok let's start with the first one |dw:1439391691986:dw| What do you get when you do this?

  7. anonymous
    • one year ago
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    y^2 and y?

  8. anonymous
    • one year ago
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    -y+y, that's not y square now is it? for example -3+3 now that's not 3 square

  9. anonymous
    • one year ago
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    ohhhh ok sorry not good at math

  10. anonymous
    • one year ago
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    simply like how +5 and -5 cancel out, y and -y will also cancel out |dw:1439391917728:dw|

  11. anonymous
    • one year ago
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    Does that make sense?

  12. anonymous
    • one year ago
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    sorta yes

  13. anonymous
    • one year ago
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    so it becomes |dw:1439392033570:dw|

  14. anonymous
    • one year ago
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    That you can write out as|dw:1439392066771:dw|

  15. anonymous
    • one year ago
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    ohh ok i see what you did

  16. anonymous
    • one year ago
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    I hope you understood it

  17. anonymous
    • one year ago
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    Let's try the second one ok?

  18. anonymous
    • one year ago
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    kinda sorta, can you help me the second one to?

  19. anonymous
    • one year ago
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    yep!

  20. anonymous
    • one year ago
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    |dw:1439392238541:dw| Can you think of what you should add to both the left and right side to separate y?? Like last time we had y, so we added -y or rather subtracted y this time we have 2y, so we will subtract how many y??

  21. anonymous
    • one year ago
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    2?

  22. anonymous
    • one year ago
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    wait wouldn't the second one be y=2x+4

  23. anonymous
    • one year ago
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    Sorry, I was looking up something so I forgot about you, but yeah, you must subtract 2y, also your equation is unfortunately wrong, but we will work that up!

  24. anonymous
    • one year ago
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    well darn ok

  25. anonymous
    • one year ago
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    |dw:1439392824716:dw|

  26. anonymous
    • one year ago
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    Can you write the next step for me?

  27. anonymous
    • one year ago
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    |dw:1439392869112:dw|

  28. anonymous
    • one year ago
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    so we have |dw:1439393082859:dw| Now there's the problem, we want an equation for y, not for -2y! But we can always divide both sides of an equation by any number we have, what if we divided both the sides by -2 here?

  29. anonymous
    • one year ago
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    are we dividing -2 into 8?

  30. anonymous
    • one year ago
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    No, we are dividing left and right side by -2 |dw:1439393245929:dw|

  31. anonymous
    • one year ago
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    Can you divide each term by -2 for me?

  32. anonymous
    • one year ago
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    so in order it is -2x,-4, and y

  33. anonymous
    • one year ago
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    good job!!! |dw:1439393486054:dw|

  34. anonymous
    • one year ago
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    You can again flip left and right side if you want, it's the same thing, but the point is you have an equation of y in terms of x :)

  35. anonymous
    • one year ago
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    so the equation is now y=-2x-4

  36. anonymous
    • one year ago
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    yep and that is question solved!!, I hope you understood the procedure

  37. anonymous
    • one year ago
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    i did thank you so much!

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