SOLUTION: Solve the equations using the quadratic formula. Round to the nearest hundredth when necessary. x2 - 3x -5 = 0

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Solve the equations using the quadratic formula. Round to the nearest hundredth when necessary. x2 - 3x -5 = 0      Log On


   

Question 975626: Solve the equations using the quadratic formula. Round to the nearest hundredth when necessary.
x2 - 3x -5 = 0
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
(a/2) [-b +/- sqrt (b^2-4ac)]
(1/2) * 3 +/- sqrt (9+20); sqrt 29=5.385
(1/2) *(3+5.385)= (1/2) (8.385)= 4.20
(1/2) * (3-5.385)=(1/2)(-2.185)= - 1.10
graph%28300%2C200%2C-10%2C10%2C-10%2C10%2Cx%5E2-3x-5%29