Solve the inequality. (Enter your answer using interval notation.) x^2 ≤ 81
2 answers
Question:
Solve the inequality. (Enter your answer using interval notation.)
x^2 ≤ 81
x^2 ≤ 81
Answers
Answer:x = (-9,9)Step-by-step explanation:|x |< 9 - seperate the inequality into 2 possible cases1. x<9, x>0 -x<9, x<0find the intersectionx = (0,9) -x<9, x<0find the intersection againx = (0,9) x = (-9,0)find the unionx = (-9,9)
Answerthe answer is -9≤x≤9
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