Math, asked by Galaxy, 1 year ago

Determine graphically whether the following pair of linear equations -
1 ) 2x - 3 y = 5
2 ) 3 x + 4y = - 1

I just need the points to plot on graph !!!

Answers

Answered by snic
6
1.) y- 1  3  5
    x- 4  7  10
2.) y-  2  4  -1
     x- (-3) (-5) 1
Answered by kvnmurty
4
You need to determine whether the straight lines given, do intersect each other or not ?  and  at which point  ?

2x - 3y = 5    =>    y = (2x-5) / 3
 
        x    -5    -2       0       1      3     4     7    10
        y    -5    -3     -5/3    -1     1/3   1     3     5
================================

3 x + 4y = -1      =>  x = (- 1  - 4y) /3

    y   -5.5     -4      -2.5     -2      -1      0       2      5        8
    x      7       5       3       7/3      1    -1/3    -3      -7      -11


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