Posted by gdlola on .
Use Cramer's rule to solve the following system of equations. If D=0, use another method to solve the system.
x+y=11
xy=5

Algebra 
drwls,
x =
11 1
5 1

1 1
1 1
= 16/2 = 8
y = 11x = 3
The   /  symbols represent the ratios of two 2x2 determinants