SOLUTION: Please help i have 3 q's!!! In a system of 2 equations and 2 unknowns.... 1. If system has infinite number of solutions then D=?, Dx=?,Dy= ? 2.If system has zero solutions then

Algebra ->  Matrices-and-determiminant -> SOLUTION: Please help i have 3 q's!!! In a system of 2 equations and 2 unknowns.... 1. If system has infinite number of solutions then D=?, Dx=?,Dy= ? 2.If system has zero solutions then       Log On


   



Question 861668: Please help i have 3 q's!!!
In a system of 2 equations and 2 unknowns....
1. If system has infinite number of solutions then D=?, Dx=?,Dy= ?
2.If system has zero solutions then D=?, Dx=?, Dy=?
3. If lines intersect at (-1,9) and D=5, then Dx=?, Dy=?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1) line are the same
2) lines are parallel
3)the lines intersect