# Math

posted by Donnice

Simplify the following expression, and rewrite it in an equivalent form with positive exponents. -15x^4y/17x^2y7

A. -3x^2/y^6 B.3x^2/y^6 C.-3x^6y^8 D. 52x^2/y^6

1. Damon

there is not much you can do with -15/17

put numerator and denominator in parentheses
do you mean y^7 in denominator?

2. Donnice

i have to choose ab or c

3. Damon

Well, Look at what you typed. No way anything with 15 in the numerator and 17 (a prime number) in the denominator is going to come out to a b c or d.
You have a mistake or your book has a mistake.

4. Donnice

-51x^4y/17x^2y^7

5. Donnice

I think its A

6. Damon

Thank you for the 51 instead of the 15
x^4/x^2 = x^2
so far
-3 x^2
now y/y^7 = 1/y^6
so in the end
-3 x^2 / y^6
which is
A

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