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Genrish500 [490]
2 years ago
8

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

Mathematics
2 answers:
drek231 [11]2 years ago
8 0
<h3>Answer:  C) 4/7</h3>

Explanation:

The given equation is in the form y = mx+b with slope m = -7/4

Take the negative reciprocal of this to get 4/7. We simply flip the fraction and the sign (from negative to positive).

Note that multiplying any original slope with its perpendicular counterpart, will always get you -1

(-7/4)*(4/7) = -1

This applies to lines that are not vertical and not horizontal.

Rom4ik [11]2 years ago
5 0

Answer:

C.

Step-by-step explanation:

The slope of the given line is -7/4

Let the slope we want be m :

Then m * -7/4 = -1        ( as the slopes of perpendicular lines have  a product of -1)

m = -1 / -7/4

= 1 * 4/7

= 4/7.

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