many solutions
It has two equal solutions of 2
One solution.
Just the one solution.
Two solutions and they are:- x = 0 and y = 3
There are 120 solutions.
many solutions
1
It has two equal solutions of 2
One solution.
4
x = 19/52
2
Just the one solution.
There are no real solutions because the discriminant of the quadratic equation is less than zero.
Two solutions and they are:- x = 0 and y = 3
zero solutions. If you plot these two lines, you will see that they are parallel and do not intersect.