SOLUTION: I have been struggling to figure out this math problem and I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!! Solving Polynomial Ine

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: I have been struggling to figure out this math problem and I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!! Solving Polynomial Ine      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 167307This question is from textbook Algebra and Trigonometry Structure and Method book 2
: I have been struggling to figure out this math problem and I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!!
Solving Polynomial Inequalitites
Find and graph the solution set of each inequality.
x^4-18<7x^2 This question is from textbook Algebra and Trigonometry Structure and Method book 2

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^4-18<7x^2
x^4-7x^2-18<0
(x^2-9)(x^2+2)=0
(x+3)(x-3)(x^2+2)=0
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x+%2B3%2C+x+-3%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions x +3 and x -3).
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x%5E2+%2B2%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 +2).