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    Mathematics
  3. Study Set
    College Algebra in Context
  4. Exam
    Exam 3: Quadratic, Piecewise-Defined, and Power Functions
  5. Question
    Solve the Equation\[\left| x ^ { 2 } - 81 \right| = 0\]
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Solve the Equation ∣x2−81∣=0\left| x ^ { 2 } - 81 \right| = 0​x2−81​=0

Question 52

Question 52

Multiple Choice

Solve the equation.
- ∣x2−81∣=0\left| x ^ { 2 } - 81 \right| = 0​x2−81​=0


A) −9- 9−9
B) 81,−8181 , - 8181,−81
C) 9,−99 , - 99,−9
D) 9

Correct Answer:

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