Identify coefficients: Identify the coefficients of the quadratic equation.The quadratic equation is in the form at2+bt+c=0. For the equation 4t2−9t+2=0, the coefficients are:a = 4b = −9c = 2
Calculate discriminant: Calculate the discriminant using the formula D=b2−4ac. Substitute the identified values into the formula: D=(−9)2−4×4×2
Perform calculations: Perform the calculations to find the value of the discriminant. D=81−32D=49