Question

find the discriminant of x square + 5 x minus 6 is equal to zero

Answer 1

$discriminant \: of \: a {x}^{2} + bx + c = 0 \\ is \: {b}^{2} - 4ac \\ now \: for \: {x}^{2} + 5x - 6 = 0 \: is \\ {5}^{2} - 4 \times 1 \times ( - 6) \\ = 49$
hope it helps

Answer 2

Answer :

49

Step-by-step explanation :

x² + 5x - 6 = 0

It is in the form,

ax² + bx + c = 0

Here,

a = 1

b = 5

c = ( - 6 )

Discriminant = b² - 4ac

⇒ 5² - 4 * ( 1 ) * ( - 6 )

⇒ 25 + 24

⇒ 49

Hence, the answer is 49.