Question

What is the discriminant of 3x2 + 6x = 2?

Answer 1

12 times something cannot equal to 2 unless it is a negative number,is there a negative number included?

Answer 2

The discriminant of the given equation is 60

Explanation:

`\text{Given the equation }3x^2+6x=2`

we have to find the discriminant of above equation.

`Equation:\thinspace 3x^2+6x-2=0`

`\text{Comparing above equation with general quadratic equation }ax^2+bx+c=0`

a=3, b=6 and c=-2

The discriminant can be calculated by the formula

`D=b^2-4ac`

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

`D=36+24=60`

Hence, the discriminant of the given equation is 60