Intermediate algebra, concepts and graphs
posted by Lisa .
How do I solve the absolute value of: (x2)>1? I am completely lost and my homework online is saying I did it wrong. I came up with 3<x<1. Help!

x2>1
+(x2) > 1 or (x2) > 1
x2 > 1 or x + 2 >1
x > 3 or x < 1
the key word here is OR
and you forgot to reverse the inequality sign for one of the cases
Respond to this Question
Similar Questions

math
i can figure this out 2+5+6 i try inverse but im still getting it wrong ive been stuck on this fo awhile There is no inverse in the equation. the ... means absolute value. We perform what is indicated in the ,, and that is … 
Intermediate Algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 3x + y = 4 x + 3y = 22 Here's what I came up with (where did I go wrong) 3x + y = 4 y = 4  3x 3x … 
calculus
Use the Intermediate Value Theorem to prove that the equation has a solution. Then use a graphing calculator or computer grapher to solve the equation. 2x^32x^22x+1=0 i am completely lost & have no idea where to start. 
Intermediate Algebra
Use the definition of absolute value to solve the following equation. x1/3=1/2x+1/6 
Intermediate algebra, concepts and graphs
A rectangle is 7 times as long as it is wide. The perimeter is 80 feet. find the dimensions. 
Intermediate algebra, concepts and graphs
Solve the following inequality and answer in interval notation: 5(3a+4)<14. 
Intermediate algebra, concepts and graphs
what times what equals 7 and what + what =18? 
Algebra
find the domain and range of y=f(x) {4 if 6</= x< 2 f(x)={absolute value of x if 2</= x< 8 {cubed root of x if 8</= x</= 14 it is piecewise, I am completely lost on how to even set up this function. 
Algebra 1
Describe how the graphs of y = absolute value of x,and y = absolute value of X 15 are related. 1 Them graphs have the same shape. The y intercept of y = absolute x is 0, and them x intercept of the 2nd graph is 15. 2m The graphs … 
Algebra
Solve absolute value t  2 = 1 A. 1, 3 B. 1, 1 C. 3, 3 D. 3, 1 Thank you!! I got D. Please correct me if I am wrong. Thank you again for assistance.