How many real solutions does the equation x^2-2x+5=0 have?

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

How do you solve a question like this?