Solved

Solve the Quadratic Inequality $x ^ { 2 } - 3 x - 18 \leq 0$

Question 47

Multiple Choice

Solve the quadratic inequality. Write the solution set in interval notation.
- $x ^ { 2 } - 3 x - 18 \leq 0$

A) $( - \infty , - 3 ]$
B) $[ 6 , \infty )$
C) $[ - 3,6 ]$
D) $( - \infty , - 3 ] \cup [ 6 , \infty )$

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