Answer:
Opens up
a = 1
b = 0
c = -6
Explanation:
y=x^2-6
This is a parabola that opens upwards (see attached graph).
I will assume the a, b, and c are the coefficients of a parabolic equation of the form:
y = ax^2 + bx + c
Since y = x^2 - 6, the values are:
a = 1
b = 0
c = -6