Respuesta :

kngubeni217

Answer:

y=2x+5

Step-by-step explanation:

start with by stating your formula: y=MX +C

m= Y2-Y1÷X2-X1

m=-1-7÷-3-1

m=-8÷-4

m=2

substitution

Using A's coordinates

7=2(1)+c

7=2+c

7-2=c

5=c

therefore y=2x+5

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