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Co-ordinate

by jainrahul1985 » Sat Jul 25, 2009 10:10 pm
The graph of which of the following equations is a straight line that parallel to line I in the figure above?

(A) 3y “C 2x = 0
(B) 3y + 2x = 0
(C) 3y + 2x = 6
(D) 2y “C 3x = 6
(E) 2y + 3x = -6
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by sreak1089 » Sat Jul 25, 2009 11:09 pm
For the lines to be parallel, slopes have to be equal.

1) find the slope of the eqn as m = (y2-y1)/(x2-x1)
2) Express answer choices in the form of y = mx + c where m is the slope.
3) Answer choice whose m value is equal to the one that you obtain in # 1 will be the right answer.
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