The equation given is,
[tex]y=x^2+6x-4[/tex]
The y-intercept is determined when x coordinate is zero.
Substitute x equals to 0 in the equation,
[tex]y=0^2+6(0)-4[/tex]
[tex]y=-4[/tex]
Thus, the ordered pair of y-intercpet is,
[tex](0,-4)[/tex]
The correct option is c.
