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Solve the Quadratic Inequality $x ^ { 2 } + 8 x + 12 \geq 0$

Question 307

Multiple Choice

Solve the quadratic inequality. Write the solution set in interval notation.
- $x ^ { 2 } + 8 x + 12 \geq 0$

A) $[ - 6 , - 2 ]$
B) $[ - 2 , \infty )$
C) $( - \infty , - 6 ]$
D) $( - \infty , - 6 ] \cup [ - 2 , \infty )$

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