Is #4x+4y=8# and #5x+5y=15# parallel, perpendicular, the same equation, or none of the above?

1 Answer
Oct 19, 2016

Since the slopes are equal , the lines are parallal [Ans]

Explanation:

The slope of the equation#4x+4y=8 or y = -x +2 :. m_1= -1#
The slope of the equation#5x+5y=15 or y = -x +3 :. m_2= -1#
Since the slopes #m_1 and m_2 # are equal , the lines are parallel [Ans]