Answer is C 113 here is an explanation
The x-coordinate of a quadratic lies exactly halfway between the two x-intercepts, assuming they exist.
Answer:
I think it is D
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
a=12,b= 9, c=7
x=-9±√9²-4x12x7/2x12
=-9±√81-336/24
=-9±√-225/24
{x=9+í√225/24 or x=9-í√225/24}
