Question

The quadratic 3x2 – 9x – 10 has what type of roots?

Answer 1

use the descriminant

a = 3, b = -9 and c = -10

discriminant is

\[\Delta = b^2 - 4ac\]

substituting

\[\Delta = (-9)^2 - 4\times3\times-10\]

\[\Delta = 201\]

the quadratic has 2 unequal irrational roots...