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write an equation of the line perpendicular to given line that contains P. P(5,-4); y=1/5x+4

Sagot :

Answer:

y = - 5x + 21

Step-by-step explanation:

Slope: -5

Point: (5, -4)

b = - 4 - (- 5)(5)

b = - 4 + 25

b = 21