20-11-2020
Mathematics

contestada

Write an equation of the line that passes through (1, 2) and is perpendicular to the line y =1/3x + 4.

Respuesta :

20-11-2020

Answer:

y= -3x + 5

Step-by-step explanation:

negative reciprocial of the slope:

m=1/3

m=-3

Subsitube the point (1,2) into y=mx+b with new slope and solve for b:

y=mx+b

2=-3(1)+b

b=5

Equation:

y=-3x+5

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