r2=-16

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Solution for r2=-16 equation: 



r2=-16

We move all terms to the left:

r2-(-16)=0

We add all the numbers together, and all the variables

r^2+16=0

a = 1; b = 0; c = +16;
Δ = b2-4ac
Δ = 02-4·1·16
Δ = -64
Delta is less than zero, so there is no solution for the equation

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