Question

x^2>81

Answer 1

and the question is...

Answer 2

what is the solution of the inequality

Answer 3

no solution
x >9 and x< -9

Answer 4

let's think about this for a sec...



when x = 9 or -9 then x^2 = 81 so it must either be the region between or outside. pick a number from each and see if it makes the inequality true.
go ahead... i'll wait

Answer 5

9^2>81
81=81

-9^2>81
81=81

Answer 6

so it isn't 9?

Answer 7

so we shade this region...