Solve Equations Involving Absolute Value
Solve the Absolute Value Equation $\left| 2 x ^ { 2 } - x - 1 \right| = 3$

question 138

Multiple Choice

Solve Equations Involving Absolute Value
Solve the absolute value equation or indicate that the equation has no solution.
- $\left| 2 x ^ { 2 } - x - 1 \right| = 3$

• A) \(\left\{ \frac { 1 - \sqrt { 33 } } { 4 } , \frac { 1 + \sqrt { 33 } } { 4 } \right\}\)
• B) \(\left\{ - \frac { 1 - \sqrt { 33 } } { 4 } , - \frac { 1 + \sqrt { 33 } } { 4 } \right\}\)
• C) \(\left\{ \frac { 1 - \sqrt { 33 } } { 4 } , - \frac { 1 + \sqrt { 33 } } { 4 } \right\}\)
• D) \(\varnothing\)

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