Question 884475: In the picture you can see lines labelled 1 through 4.
http://tinypic.com/view.php?pic=sl4azc&s=8#.U6xU9pRdXpc
1.Which system has no solution?(A)lines 1 and 2. (B)lines 1 and 3. (C)lines 1 and 4 (D)lines 2 and 3
2.Which system has infinite solutions?(A)lines 1 and 2 (B)lines 1 and 3 (C)lines 1 and 4 (D)lines 2 and 4
3.Which system has exactly one solution? (A)lines 1 and 2 (B)lines 1 and 3 (C)lines 2 and 4 (D)all of these.
Answer by Fombitz(32388)   (Show Source):
You can put this solution on YOUR website! (2,3) : No solution, parallel lines
(1,4) : Infinite solutions, same line
(1,2),(1,3),(2,4),(3,4) : One solution.
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