Draw the graph of each of the following linear equations in two variables:

(i)


(ii)


(iii)


(iv)

(i) Given equation: x + y = 4

Put x = 0 hence, y = 4


Put x = 4 hence, y = 0


X



0



4



Y



4



0




(ii) x – y = 2


Put x = 0 hence, y = -2


Put x = 2 hence, y = 0


X



0



2



Y



-2



0




(iii) y = 3x


Put x = 0 hence, y = 0


Put x = 1 hence, y = 3


x



0



1



y



0



3




(iv) 3 = 2x + y


Put x = 0 hence, y = 3


Put x = 1 hence, y = 1


X



0



1



Y



3



1




3