SOLUTION: Solve the following inequality. x2 - 16 > 0 A. (-∞, -16) or (16, ∞) B. (-16, 16) C. (-∞, -4) or (4, ∞) D. (-4, 4)

Algebra ->  Inequalities -> SOLUTION: Solve the following inequality. x2 - 16 > 0 A. (-∞, -16) or (16, ∞) B. (-16, 16) C. (-∞, -4) or (4, ∞) D. (-4, 4)       Log On


   

Question 444851: Solve the following inequality.
x2 - 16 > 0
A. (-∞, -16) or (16, ∞)
B. (-16, 16)
C. (-∞, -4) or (4, ∞)
D. (-4, 4)


Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

x%5E2+-+16+%3E+0+
x%5E2+-+4%5E2+%3E+0+
%28x+-+4%29%28x%2B4%29+%3E+0+
%28x+-+4%29+%3E+0+....=>......x%3E4

%28x+%2B4%29+%3E+0+....=>......x%3C-4
C. (-∞, -4) or (4, ∞)