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ALGEBRA 1

posted by on .

ARE THESE ANSWERS RIGHT ?

Express as a trinomial:
(2x-3)(x+7)
IS THE ASNWER 2x^2 + 11x - 21

WHAT IS THE VALUE OF 2 times 5^-2
IS THE ANSWER 2/25

DIVIDE:
x/x^2-49 divide by 5x^3/x^2 + 9x + 14

IS THE ANSWER x+2/5x^2(x-7)

  • help check please - ,

    PLEASE CHECK THESE ANSWERS

  • ALGEBRA 1 - ,

    1. Correct.

    2. Correct.

    3. Correct! Good job!!

  • ALGEBRA 1 - ,

    thanks

  • ALGEBRA 1 - ,

    x/(x^2-49) divided by 5x^3/(x^2 + 9x + 14)
    = [x/(x^2-49])*[(x^2 + 9x + 14)/5x^3]
    = x/[(x+7)(x-7)]*[(x+7)(x+2)/5x^2]
    = (x+2)/[5x^2*(x-7)]


    Yes, #3 is correct. Your #2 requires parentheses. One of the ambiguous versions is correct.

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