Question

Find the discriminant of the equation: $2x^2-3x-4=0$

• A. True
• B. False
• C. -41
• D. -43

Answer 1

The correct option is A

41

Given Equation: $2x^2-3x-4=0$

$\Rightarrow a=2,b=-3,c=-4$

Discriminant D = $b^2-4ac$

$\Rightarrow (-3{)}^2-4(2\left)\right(-4)$

$\Rightarrow 9+32=41$