SOLUTION: Solving Equations with Radicals and Exponents X^-2=4

Question 90170: Solving Equations with Radicals and Exponents
X^-2=4
Found 2 solutions by tutorcecilia, tutor_paul:
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
= 4 [write (4) as a number with an exponent]
= [re-write (2^2) with a negative exponent by taking the reciprocal of (2)]
.
=
.
.Therefore, x=1/2

Answer by tutor_paul(519) (Show Source): You can put this solution on YOUR website!

Remember that a negative exponent can also be written like this:

Solve for x now:

Taking the square root of each side...
x=+-1/2
Good Luck,
tutor_paul@yahoo.com
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