SOLUTION: Solve the formula for the given letter.Assume all variables represent nonegative numbers. a^2+k^2=f^2, for a

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Solve the formula for the given letter.Assume all variables represent nonegative numbers. a^2+k^2=f^2, for a      Log On


   

Question 265972: Solve the formula for the given letter.Assume all variables represent nonegative numbers.
a^2+k^2=f^2, for a
Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!

a%5E2%2Bk%5E2=f%5E2, for a

Add -k%5E2 to both sides:

a%5E2=f%5E2-k%5E2.

Take the positive square root of both sides:

sqrt%28a%5E2%29=sqrt%28f%5E2-k%5E2%29

a=sqrt%28f%5E2-k%5E2%29 

Edwin