Complete parts a–c for each quadratic equation.
a. Find the value of the discriminant.
b. Describe the number and type of roots.
c. Find the exact solutions by using the Quadratic Formula.
[tex]2x^{2}+7x=0[/tex]
A) 49; 2 complex; 0, [tex]-\frac{7}{2}[/tex]
B) 49; 2 rational; 0, −7
C) 7; 2 rational; 0,[tex]-\frac{7}{2}[/tex]
D) 49; 2 rational; 0, [tex]-\frac{7}{2}[/tex]