Question 413589
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Hi
Decide whether the pair of lines is parallel, perpendicular or neither.
4x+3y=3    OR  y = -4/3x + 1     | m = -4/3
3x+4y=9    OR  y = -3/4x + 9/4   | m = -3/4
Good work on finding the slopes: Neither, it is.
{{{drawing(300,300,   -6, 6, -6, 6, grid(1),
circle(0, 1,0.3),
circle(0, 9/4,0.3),
graph( 300, 300, -6, 6, -6, 6,0,(-4/3)x + 1 ,-.75x+9/4))}}}