SOLUTION: solve:-m^2=-81 a.(-9,9) b.(-9) c.(9) d.(-9,0)

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: solve:-m^2=-81 a.(-9,9) b.(-9) c.(9) d.(-9,0)      Log On


   

Question 194607: solve:-m^2=-81
a.(-9,9)
b.(-9)
c.(9)
d.(-9,0)
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
-m%5E2=-81
:
m%5E2=81
:
m=+ or - sqrt%2881%29
:
m=+9 or -9