HELP ME ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing. Check ALL that apply

Answer:
B. 0
Step-by-step explanation:
9x² - 18x + 9
a = 9, b = -18, c = 9
b²- 4ac
(-18)² - 4(9)(9)
= 0
Hope this helps :D
Answer:
it is B. 0
Step-by-step explanation:
a discriminant is the √(b^2 − 4ac) part of the quadratic equation.
so a = 9
b=-18
c=9
then plug that in and you get √(324 − 4(9*9) which is √(324 − 324) which equals 0.