Respuesta :

mariazahra22

Answer:

y=2x-1

Step-by-step explanation:

straight line equation

y=mx + c

find gradient(m) first,use formula;

m=3-7/2-4

m= -4/-2

m=2

use one the coordinates

(2,3)

3=2(2)+c

3=4+c

c=3-4

c = -1

y = 2x - 1

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