2 years ago

What is the slope of a line perpendicular to the line y = -3x + 9?

Mathematics

1 answer:

Anna35 [415]2 years ago

6 0

Answer: 1/3

Step-by-step explanation:

The slope of a perpendicular line is the opposite reciprocal.

For example, if slope of line A is a/b, then slope of line B which is perpendicular will be -b/a.

Substitute 1 and 3 for a and b. Apply the formula and get 1/3.

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