Question

What is the discriminant of 3x2 + 6x = 2? 12 18 42 60

Answer 1

Answer:

The correct option is 4. The value of discriminant is 60.

Step-by-step explanation:

The given equation is

$3x^2+6x=2$

It can be written as

$3x^2+6x-2=0$

If a quadratic equation is in the form of

$ax^2+bx+c=0$

then, it discriminant is

$D=b^2-4ac$

The value of discriminant for given equation is

$D=(6)^2-4(3)(-2)$

$D=36-(-24)$

$D=36+24$

$D=60$

Therefore correct option is 4. The value of discriminant is 60.

Answer 2

The correct answer is option D i.e. 60 The given equation is : 3x^2 + 6x - 2 = 0 The discriminant is given as = {b^2 - 4ac}/2a; where a = 3, b = 6 and c = -2d Thus, D = {6^2 - 4(3)(-2)} or D = {36 + 24} or D = 60