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What is the equation of the line that passes through 1,2 and is parallel to the line whose equation is 2x + y - 1 = 0

Respuesta :

ghanami

Answer:

Step-by-step explanation:

Use the point-slope formula.

y - y_1 = m(x - x_1)    you have :  x_1 =1  and  y_1 =2

m the slope   m= -2 (same slope for the line : 2x+y-1=0 because this lines are parallel and you can write y=-2x-1

an equation for this line is : y-2 = -2(x-1)

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