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ashleyb

What are the x– and y–intercepts of the graph of y = x^2 + x – 6?

  • one year ago
  • one year ago

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  1. waterineyes
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    For finding x intercept, Put y = 0 And for finding y intercept, Put x = 0..

    • one year ago
  2. waterineyes
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    So: for finding x intercept you will put y = 0 that is: \[x^2 + x - 6 = 0\] Try to factor this equation and you will get two values of x..

    • one year ago
  3. waterineyes
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    Tell me what is your factors to this equation??

    • one year ago
  4. waterineyes
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    *are

    • one year ago
  5. ashleyb
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    to factor it i would fing two numbers that multiply to -6 and add to 0?

    • one year ago
  6. waterineyes
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    Add to 1..

    • one year ago
  7. ashleyb
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    okay

    • one year ago
  8. waterineyes
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    Solving or not??

    • one year ago
  9. ashleyb
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    -2 and 3 are my factors

    • one year ago
  10. waterineyes
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    Then you are pretty correct in this..

    • one year ago
  11. waterineyes
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    So is this right? \[(x+3)(x-2) = 0\]

    • one year ago
  12. ashleyb
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    okay so those are my x and y factors?

    • one year ago
  13. waterineyes
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    No these are only for x we will find y somewhat later..

    • one year ago
  14. ashleyb
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    okay...can u show me the steps for finding y?

    • one year ago
  15. waterineyes
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    For finding y, put x = 0 in your original equation..

    • one year ago
  16. ashleyb
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    okay so y=0^2+0-6?

    • one year ago
  17. waterineyes
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    Yes go ahead so what did you get for y ??

    • one year ago
  18. ashleyb
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    -6?

    • one year ago
  19. waterineyes
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    So true..

    • one year ago
  20. ashleyb
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    thankyou so much!!! I was having alot of trouble with this!

    • one year ago
  21. waterineyes
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    Welcome dear..

    • one year ago
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