The expression 1/2 x^2-3 can be rewritten as 1/2 (x-d) (x+d) where d is a positive constant. What is the value of d?

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0