Question

If two lines are perpendicular to each other, the product of their slopes is​

Answer 1

Answer:

If two lines are perpendicular, the slopes are negative reciprocals. (The product of the slopes = -1.) since their slopes of 0 have undefined reciprocals.

Step-by-step explanation:

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Answer 2

Answer:

If two lines are perpendicular, the slopes are negative reciprocals. (The product of the slopes = -1.) since their slopes of 0 have undefined reciprocals.

Step-by-step explanation:

The slope of a vertical line is undefined. Therefore, its product with anything is also undefined.

In particular, the product of the slopes of the axes is undefined. Note that there is nothing special about the axes.

This is true for any vertical and horizontal line.

For all other pairs of perpendicular lines, the products of the slopes is -1.

The slope of the (horizontal) x-axis = 0.

The (vertical) y-axis has N O S L O P E because division by “0” is not defined. Multiplying NO SLOPE by ZERO could not yield a negative reciprocal in this particular case.

Remember it this way: It’s easy to roll a spare tire/hoop on perfectly horizontal ground, i.e., gravity will not work for you nor against you—the spare tire/hoop is r o u n d like a zero . . . .

In which direction does snow fall? S n o w falls vertically:

s N O w slope, i.e., vertical lines do not have a slope

If two lines are perpendicular to each other, the product of their slopes is​

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