Identify coefficients: Identify the coefficients of the quadratic equation.The quadratic equation is in the form ax2+bx+c=0. For the equation 6q2+6q+9=0, the coefficients are:a = 6b = 6c = 9
Calculate discriminant: Calculate the discriminant using the formula D=b2−4ac.Substitute the identified values into the formula:D=(6)2−4×6×9
Perform calculations: Perform the calculations to find the value of the discriminant.D=36−4×6×9D=36−216
Complete calculation: Complete the calculation to find the final value of the discriminant.D=36−216D=−180