Simplify
A football is kicked from ground. It's projectile can be described by the equation:
How long was the football in the air?
Solve AND REDUCE over the set of complex numbers:
Simplify:
Solve the following system algebraically by substitution:
Input your answer as point(s) or no solution. (x,y)(x,y)
IF THERE IS MORE THAN ONE SOLUTION, DO NOT PUT A SPACE BETWEEN POINTS!!!
Show your work!! (note: one of these solutions will contain fractions!)