0.73-0.5r^2=0

Solution for 0.73-0.5r^2=0 equation:

Simplifying
0.73 + -0.5r2 = 0

Solving
0.73 + -0.5r2 = 0

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-0.73' to each side of the equation.
0.73 + -0.73 + -0.5r2 = 0 + -0.73

Combine like terms: 0.73 + -0.73 = 0.00
0.00 + -0.5r2 = 0 + -0.73
-0.5r2 = 0 + -0.73

Combine like terms: 0 + -0.73 = -0.73
-0.5r2 = -0.73

Divide each side by '-0.5'.
r2 = 1.46

Simplifying
r2 = 1.46

Take the square root of each side:
r = {-1.208304597, 1.208304597}