SOLUTION: solve by using quadratic formula t^2 + 2t + 2 = 0

Algebra.Com
Question 134353: solve by using quadratic formula
t^2 + 2t + 2 = 0

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Let's use the quadratic formula to solve for t:


Starting with the general quadratic



the general solution using the quadratic equation is:





So lets solve ( notice , , and )




Plug in a=1, b=2, and c=2



Square 2 to get 4



Multiply to get



Combine like terms in the radicand (everything under the square root)



Simplify the square root (note: If you need help with simplifying the square root, check out this solver)



Multiply 2 and 1 to get 2


After simplifying, the quadratic has roots of

or

RELATED QUESTIONS

Solve by using Quadratic formula... (answered by jim_thompson5910)
How can i solve the following equation using the quadratic formula? {{{ 2t^2/3-t=-1/6... (answered by Alan3354)
solve by using the quadratic formula... (answered by Cintchr)
x^2-19x+90=0 Solve by using quadratic... (answered by Nate)
Solve by using quadratic formula... (answered by jim_thompson5910)
Solve by using quadratic formula {{{x^2 – 6x + 10 = 0}}} (answered by Edwin McCravy)
Solve by using quadratic formula {{{x^2 – 4x + 29 = 0}}} (answered by Edwin McCravy)
x^2-7x+11=0 solve by using quadratic... (answered by jim_thompson5910)
x^2+4x+8=0 solve by using quadratic... (answered by Edwin McCravy)