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Two lines are perpendicular when… the product of their slope is -1, the product of the slope is greater than 0, they have the same slope,
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Two lines are perpendicular when… the product of their slope is -1, the product of the slope is greater than 0, they have the same slope, or when the slope is undefined?
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Mathematics
5 years
2021-08-26T02:51:06+00:00
2021-08-26T02:51:06+00:00 2 Answers
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Answer:
The answer is the product of their slopes is -1.
Step-by-step explanation:
The answer is the product of their slope is -1.
First, let’s break this down. Perpendicular lines are line with opposite reciprocal slopes. Opposite meaning the inverse sign and reciprocal meaning flipped.
For instance,
If a line had the slope of 5, its inverse would have a slope of -1/5.
Now, if we multiply these numbers together,
5 * -1/5 = -1
The 5’s cancel out.
This works for any two perpendicular lines