Question

1. Solve graphically the following pairs of linear equations;
(1) 2x - y = 4
3y - x = 3 Also, find the coordinates of the points where these lines intersect the 2 axe
(ii) 2x + 3y = 12
Shade the region (area) between the 2 lines and x axis.
2. Find granhically the coordinator of
X-y=1​

Answer 1

Given :   2x - y = 4   ,  3y - x = 3

To find : Solve graphically

Solution:

2x - y = 4

3y - x = 3

2x - y = 4  

x = 0  => y = -4   (0, -4)

y = 0  => x = 2     (2 , 0)

3y - x = 3

x = 0  => y = 1   (0, 1)

y = 0  => x = -3     (-3 , 0)

2x - y = 4  

3y - x = 3  =>  6y - 2x = 6

=> 5y = 10

=> y = 2

& x  = 3  

( 3 ,2 )  

lines intersect  at ( 3, 2)

x 2x - y = 4 3y -x   = 3

-6 -16 -1

-3 -10 0

0 -4 1

3 2 2

6 8 3

9 14 4

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Answer 2

Step-by-step explanation:

see these pics and understand