Tuesday
July 7, 2015

Homework Help: Algebra

Posted by mysterychicken on Friday, May 6, 2011 at 2:35pm.

40. The graph of the following system yields perpendicular lines.

x + 2y = -10
-4y = 2x + 20

(True?)

47. The graph of the following system yields parallel lines.

2y = -10 + x
-4y = 2x + 20

(True)

48. The graph of the following system yields parallel lines.

x - 2y = 1
y = -3x + 10

(False)

Are these correct?

Thanks
-MC

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