Solution Set
posted by Sara .
Find the solution of
x2>8
The answer is {1,4}
how?

consider when x<2
then (x2)>8
x>82
x<6
consider when x>2
then x2>8
x>10
Now, you must have an answer that is wrong.
Respond to this Question
Similar Questions

precalc
I'm terrible at pre calc, could someone tell me if the solution set for log subscript 2 x + log sub 2 (x1)=1 is the solution 1? 
Math Algebra , high school
A biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 50 liters of 20% solution. She wants to us twice as much of the 5% solution as the 15% solution. … 
calculus
solve the following inequality 15x16 less than or equal to 15/x is the point x=0 included in the solution set of the inquality? 
Math quick help anyone
1. I'm given a slope of 1/4 and a set of 2 points each: p: (12,6) & Q: (8,w) .find the value of w. what if the slope was 1/4, then what would the value of w be 2. What is the solution to these equations: 3x2y8=0 9x6y42=0 One … 
math show work please
111/x+30/x^2=0 A.the solution set is ? B.The solution set is the set of real numbers or C. the solution set is an empty set 
math show work please
1/(X+3)+4/(x+5)= 2/(x^2+8x+15) a. the solution set is b. the solution set is all real numbers c. the solution set is empty 
Algebra 1
Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use setbuilder notation to write the solution set.If a system has no solution, state this. I tried this and found no solution, … 
Algebra
Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation x^3+x^2+16x+16>0 What is the solution set? 
algebra
Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation x^3+x^2+16x+16>0 What is the solution set? 
math/algebra
Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation x^3+x^2+16x+16>0 What is the solution set?