SOLUTION: What is the slope of a line that is perpendicular to y= -3?

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Question 1073389: What is the slope of a line that is perpendicular to y= -3?
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
, is a horizontal line, -3 for all values of x.
No vertical change.
Slope is 0.

Any vertical line in the plane will be perpendicular to y=-3,
and such a line HAS NO SLOPE.

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