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romanna [79]
3 years ago
10

Given the graph of a line y=−x.

Mathematics
1 answer:
Dovator [93]3 years ago
6 0

Answer: y=x-6

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

By definition, the slopes of perpendicular lines are negative reciprocals.

Given the line:

y=-x

We know that a line perpendicular to this line must have this slope:

m=\frac{1}{1}=1

Since that line goes through the point (8,2), we can substitute the slope 1 and these coordinates into y=mx+b and solve for "b":

2=(1)(8)+b\\\\2-8=b\\\\b=-6

Therefore, the equation of this line is:

y=x-6

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