Pl help meee Question 1. Calculate the discriminate x^2-4x-5=0

Question 2. For x^2-4x-5=0 tell us what the discriminant means.
A. no real solutions
B. 2 real solutions
C. 1 real solution
D. 1 real and 1 non-real solutions

Question 3. Find the discriminant of x^2-6x+11=0

Question 4. For the discriminant x^2-6x+11=0 tell us what the value means.
A. no real solutions
B. 2 real solutions
C. 1 real solution
D. 1 real and 1 non-real solutions

Question 5. Bonus: Solve the following quadratic equation by using the quadratic formula. (write your answer as # + or - sqrt # divided by #) 2x^2-7x+4=0