Question

Find the discriminat of -1x^2-13x-3

Answer 1

Answer:

$-1(x^2)-13x-3= \text{}?\\\text{Discriminant is given by} \\D=b^2-4ac\\\\\text{Where }b=-13, a=-1,c=-3\\\\D=(-13)^2-4(-1)(-3)\\D=169-12\\D=157$