Which values are solutions to the inequality below?

Check all that apply.

x2 49

Question

Which values are solutions to the inequality below? 

Check all that apply.

x2 > 49

anonymous · Answer

A. 8 
   B. 13 
   C. 7 
   D. -10 
   E. -4 
   F. -7

carniel · Answer

Well the number at the bottom would plug in for X

carniel · Answer

Just multiply them with the 2 and see if any will be grater than 49

anonymous · Answer

how would i do that

anonymous · Answer

is it x square or two x

carniel · Answer

Example: x2 > 49 if you plug in 8 for that it will be like so. 8^2 > 49 which is 16>49

carniel · Answer

Which is also incorrect

anonymous · Answer

soo my answer would be 8

anonymous · Answer

b and d

carniel · Answer

No thats incorrect. I was using 8 as an exmple. Also 16 isn't greater than 49

carniel · Answer

D would be a negative so no

anonymous · Answer

idk i got the wrong answers then

carniel · Answer

Plug in B for x

anonymous · Answer

x^2-49>0
(x-7)(x+7)>0
critical pts are x=7 and x=-7 then draw a table
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a,b,d is true then