Question

3x-2y=12 ; 6x+y=9 by graphical method

Answer 1

Answer:

3x-2y=12

For x=2

3×2-2y=12

→6-2y=12

→-2y=12-6

→y=6/-2

→y=-3

So we get first coordinate (2,-3)[A]

For y=3

3x-2×3=12

→3x-6=12

→3x=12+6

→x=18/3

→x=6

So we get second coordinate (6,3)[B]

The blue line is graph of 3x-2y=12

6x+y=9

For x=1

6×1+y=9

→6+y=9

→y=9-6

→y=3

So we get first coordinate (1,3)[C]

For y=9

6x+9=9

→6x=9-9

→x=0/6

→x=0

So we get second coordinate (0,9) [D]

The red line is graph of 6x+y=9

Hope it helps you...

Pls mrk me brainliest...