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Find the equation of the graphed line.
..........
-
8
ry
db
a.
a.
1
y = --X-2
C. y = 4x - 2
མ – 2
b. y = -2x - 4
d. y = -4x - 2

Find the equation of the graphed line 8 ry db a a 1 y X2 C y 4x 2 མ 2 b y 2x 4 d y 4x 2 class=

Respuesta :

silirobert15

example: the line is y = ax + b

The line go through 2 points ( -4 ; 0 ) and ( 0 ; -2 )

So:

  • -2 = 0a + b => b = -2
  • 0 = -4a + (-2) => a = 2/-4 = -1/2

The line is y = -1/2x - 2 ( i'm not sure)

Answer: a

Ok done. Thank to me :>

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