What is the value of the discriminant for the quadratic equation 0 = x + 2 + x2?

Discriminant = b2 – 4ac

–9
–7
7
9

Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1

What is 32+4 x (16 x 1/2) -2 show your work}

I’m which figure is point g an orthocenter