Question

Draw the graph of the line $3x+4y=18$. With the help of graph, find the value of $y$ when $x=2$. (show this point on the graph)

Answer 1

Given: $3x+4y=18$

When $y=0,x=6$

and when $x=0,y=4.5$

Plotting these points on the graph

$\therefore y=3$ when $x=2$