Answer:
12
Step-by-step explanation:
We are finding the discriminant
b^2 -4ac
2x^2 - 2x - 1 = 0
a =2 b = -2 c = -1
(-2)^2 - 4(2)(-1)
4 +8
12
Answer:
It’s an expression.
Step-by-step explanation:
An expression is technically an equation but without the answer.
You have to solve for x and plug it back in
The correct option is B.. l hope it helped :)
(2.26×108)/0.013=244.08/0.013=18775.4