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sergij07 [2.7K]
3 years ago
6

write an equation of the line perpendicular to the given line that contains P in point slope form? P (4,-4) y=1/3x+4

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0

Answer: y+4=-3(x-4)

Step-by-step explanation:

- The equation of the line in point-slope form is:

y-y_1=m(x-x_1)

Where m is the slope and (x_1,y_1) is a point of the line.

- The equation of the line y=\frac{1}{3}x+4 is written is slope-intercept form, where the slope is \frac{1}{3}.

- By definition, when two lines are perpendicular to each other, the slopes are the negative reciprocals. Therefore, the slope of the perpendicular line must be -3.

- Substitute the point P and the slope -3 into the equation in point-slope form, therefore, you obtain:

y+4=-3(x-4)

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