Solve the Following Quadratic Equation $t ^ { 2 } + 5 t + 9 = 0$

Multiple Choice

Solve the following quadratic equation. $t ^ { 2 } + 5 t + 9 = 0$

A) $\{ 2.5 + i \sqrt { 2.75 } , 2.5 - i \sqrt { 2.75 } \}$
B) $\{ 2.5 + i \sqrt { 3 } , 2.5 - i \sqrt { 3 } \}$
C) $\{ - 2.5 + i \sqrt { 2.75 } , - 2.5 - i \sqrt { 2.75 } \}$
D) $\{ - 5 + i \sqrt { 2.75 } , - 5 - i \sqrt { 2.75 } \}$
E) $\{ - 5 + i \sqrt { - 2.75 } , - 5 - i \sqrt { - 2.75 } \}$