Which graph shows a quadratic function with a discriminant value of 0? 1y
fy
6
2
6
х
2
4
4
2 4
12
2
2
N
-2
x
-4-2
2
→
4
-2
2 4
-6
o
o
о

  see below

Step-by-step explanation:

A discriminant value of zero means there is exactly one x-intercept. The graph below has that characteristic.

_____

Comment on discriminant

discriminant > 0, two (2) x-intercepts (first 2 graphs)

discriminant < 0, no (0) x-intercepts (third graph)