SOLUTION: How do i complete the problem 2x squared y negative squared if x=-5 and y=7

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Question 56475This question is from textbook College Algebra
: How do i complete the problem
2x squared y negative squared
if x=-5 and y=7 This question is from textbook College Algebra

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
2x squared y negative squared
2x^2 * y^-2
:
Remember that neg exponents can be eliminated by using the reciprocal:
2x^2 * 1%2Fy%5E2
if x=-5 and y=7
Substitute:
2(-5)^2 * 1%2F7%5E2
:
2(25) * 1%2F49
:
50%2F49%29