Question

Given that y = -x + c passes through the point (1, 2) find the value of c

Answer 1

Answer:

c=3

Step-by-step explanation:

y=-x+c

given, (x,y)= (1,2)

=>

2=-1+c

2+1=c

c=3

Answer 2

Answer:

by question y=2 and x=1

putting the value of x and y we get

c =3