maddikay265 maddikay265

01-12-2020
Mathematics

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What is the equation of a line that is perpendicular to -x + 2y =4 and passes through the point (-2, 1)

Respuesta :

gbeech25 gbeech25

01-12-2020

Answer:

y = -2x - 3

Step-by-step explanation:

-solve for y: y = 1/2x + 2

-perpendicular equals opposite slope: -2

-plug in the point: (1) = -2(-2) + b

1 = 4 + b

b = -3

put it all together: y = -2x - 3

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