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Which equation represents a line that is perpendicular to the line represented by 2x - y = 7?

Which equation represents a line that is perpendicular to the line represented by 2x y 7 class=

Respuesta :

mordy52

Answer:

the answer is number 1 )

Step-by-step explanation:

we know that

if two lines are perpendicular

so

the slopes

m1*m2=-1

we have  

2x-y=7-------> y=2x-7------------> slope m1=2

find slope m2

m2=-1/m1------> m2=-1/2

the slope m of the perpendicular line must to be -1/2

so

the answer is

y = -1/2x + 6

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