SOLUTION: Please help me solve: 12,000(1 + r^2)= 27,000

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Question 59222This question is from textbook elementary and intermediate algebra
: Please help me solve: 12,000(1 + r^2)= 27,000 This question is from textbook elementary and intermediate algebra

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
12000%281+%2B+r%5E2%29=+27000
expand
12000+%2B+12000%2Ar%5E2+=+27000
subtract 12000 from both sides
12000%2Ar%5E2+=+15000
divide both sides by 12000
%2Br%5E2+=+15+%2F+12
r%5E2+=+5%2F4
r+=+0+%2B-+sqrt%285%29+%2F+2
r+=+%2B+1.11803
and
r+=+-1.11803