For the graph y = 41 find the slope of a line that is perpendicular to it and the slope of a line parallel to it. Explain your answer please

Answer :

mathssydney
1) y=41 has the slope m = 0
2) A line which is perpendicular to y=41 is a vertical line, it's parallel to Y-axis. It has no slope or saying mathematically m is undefined. 
3) A line which is parallel to y=41 has the same slope as y=41 or m=0

Answers: m=0,     m undefined,    m = 0

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