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ashleyb

  • 2 years ago

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

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  1. waterineyes
    • 2 years ago
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    For finding x intercept, Put y = 0 And for finding y intercept, Put x = 0..

  2. waterineyes
    • 2 years ago
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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..

  3. waterineyes
    • 2 years ago
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    Tell me what is your factors to this equation??

  4. waterineyes
    • 2 years ago
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    *are

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

  6. waterineyes
    • 2 years ago
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    Add to 1..

  7. ashleyb
    • 2 years ago
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    okay

  8. waterineyes
    • 2 years ago
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    Solving or not??

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

  10. waterineyes
    • 2 years ago
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    Then you are pretty correct in this..

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

  12. ashleyb
    • 2 years ago
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    okay so those are my x and y factors?

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

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

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

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

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

  18. ashleyb
    • 2 years ago
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    -6?

  19. waterineyes
    • 2 years ago
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    So true..

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

  21. waterineyes
    • 2 years ago
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    Welcome dear..

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