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43 votes
43 votes
State whether the lines are parallel, perpendicular, coinciding, or neither y=0.3x+40 and y=-3 1/3x+15

User Jagge
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1 Answer

15 votes
15 votes

Answer:

Perpendicular

Explanation:

The slope of the first equation is 0.3 = 3/10

You need the opposite sign of the reciprocal for perpendicular

10/3 is reciprocal, 3 1/3 is equivalent, - 3 1/3 is perpendicular

User Jody Highroller
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2.6k points