22=-9.8t^2+22

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Solution for 22=-9.8t^2+22 equation: 



22=-9.8t^2+22

We move all terms to the left:

22-(-9.8t^2+22)=0

We get rid of parentheses

9.8t^2-22+22=0

We add all the numbers together, and all the variables

9.8t^2=0

a = 9.8; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·9.8·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$t=\frac{-b}{2a}=\frac{0}{19.6}=0$

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