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help_people

  • one year ago

Two sets of equatic expressions are shown below in various forms: Line 1: x2 − x − 6 (x + 2)(x − 3) (x + 0.5)2 − 6.25 Line 2: x2 − x − 2 (x + 1)(x − 2) (x − 0.5)2 − 2.25 Which line contains three equivalent expressions? Line 1 only Line 2 only Both Line 1 and Line 2 Neither Line 1 nor Line 2

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  1. help_people
    • one year ago
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    @triciaal

  2. triciaal
    • one year ago
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    |dw:1438304149471:dw|

  3. help_people
    • one year ago
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    ok

  4. triciaal
    • one year ago
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    |dw:1438304282798:dw|

  5. triciaal
    • one year ago
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    I got D

  6. help_people
    • one year ago
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    ok i thought so ;) may you make sure this one is correct ? pooja said so but i am making sure

  7. help_people
    • one year ago
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    yes? no

  8. triciaal
    • one year ago
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    what I did was factor the equation and for the other one expand the equation . if all 3 matched then it would be the same

  9. help_people
    • one year ago
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    oh ok :)

  10. triciaal
    • one year ago
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    in line 1 when you expand the middle term is positive x and the original has negative so not a match

  11. triciaal
    • one year ago
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    line 2 when expanded you added 0.25 so need to subtract

  12. triciaal
    • one year ago
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    |dw:1438305111073:dw|

  13. triciaal
    • one year ago
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    it should be B line 2 only

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