Solve the Quadratic Inequality $$( 7 + 4 x ) ^ { 2 } \leq - 1$$

question 76

Multiple Choice

Solve the quadratic inequality. Write the solution set in interval notation.
- $$( 7 + 4 x ) ^ { 2 } \leq - 1$$

• A) \(\varnothing\)
• B) \(( - \infty , \infty )\)
• C) \(( - \infty , - 2 ) \cup \left( - \frac { 3 } { 2 } , \infty \right)\)
• D) \(\left[ - 2 , - \frac { 3 } { 2 } \right]\)

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