Question

write four linear equations such the point (1,2) lies on its graph

Answer 1

2x-y=0
4x-2y=0
6x-3y=0
8x-4y=0

Answer 2

Step-by-step explanation:

Given equation is: 2y=ax−4.

It is also given that the point (1,2) lies on the graph of the equation.

⇒2(2)=a(1)−4

⇒a=4+4

⇒a=8

Now, the linear equation is: 2y=8x−4 or y=4x−2

Again, when y=0,x=

2

1

and

when x=0,y=−2

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