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anonymous

  • 4 years ago

Rationalize the numerator of the expression. Then simplify your answer. (√7 – 3)/5. my answer is incorrect. i have -2/5(√7+3)

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  1. anonymous
    • 4 years ago
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    √7 – 3) * √7 + 3) = 7 - 9 = -2 also multiply 5 by (√7 + 3): (√7 – 3)/5 = -2 / 5(√7 + 3) - looks like you are right

  2. anonymous
    • 4 years ago
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    it said i was wrong though. should i distribute the 5? because it says to simplify.

  3. radar
    • 4 years ago
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    \[\sqrt{7-3}\over5 \]???

  4. radar
    • 4 years ago
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    2/5

  5. anonymous
    • 4 years ago
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    yea - could be - sqrt refers to (7-3)

  6. anonymous
    • 4 years ago
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    its just √7-3, the √is only above the 7.

  7. radar
    • 4 years ago
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    Never mind

  8. anonymous
    • 4 years ago
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    the question as you typed it is a bit odd - can you check the original?

  9. anonymous
    • 4 years ago
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    (√7-3)/(5)

  10. anonymous
    • 4 years ago
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    |dw:1327958668542:dw|

  11. anonymous
    • 4 years ago
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    beats me! i cant see whats wrong with your answer

  12. anonymous
    • 4 years ago
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    ill try and distributing the answer

  13. phi
    • 4 years ago
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    put in more parens?? 2/(5(√7+3))

  14. anonymous
    • 4 years ago
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    lol it had to be distributed :P thanks fellas

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spraguer (Moderator)
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