Question

7. Find the discriminant of the quadratic equation
2x2 - 9x - 12 = 0, and hence find the nature of
its roots.​

Answer 1

Answer:

Discriminant, D = -15

Hence, roots are imaginary

Step-by-step explanation:

${b }^{2} - 4ac$

D=

$= {( - 9)}^{2} - 4(2)(12) \: \: \\ = - 15$