Question

PLEASE HELP!!
MEDAL!!
What is the solution to the inequality below??
x^2 > 100
a) -10 less than or equal to x less than or equal to 10
b) x<-10 or x>10
c)-10 11 years ago

Answer 1

x^2>100
taking square root on both sides
then the above equation would be
x > +10
x < -10
so
the correct answer would be ????

Answer 2

hint:
\[{x^2} - 100 = \left( {x - 10} \right)\left( {x + 10} \right)\]

Answer 3

b