Answer: 13
Step-by-step explanation:
If you remember the quadratic equation formula;

You can easily extract what is under the root to find the discriminant.

a = 3
b = 7
c = 3

Answer:
D
Step-by-step explanation:
Start using desmos it will help u learn
Answer:
of course its true
Step-by-step explanation:
4x^2 - 36 = 0
4x^2 = 36
x^2 = 9
x = 3 or -3
the answer is C