Question

solve the equation graphically 3x+y+1=0 and 2x-3y+8=0​

Answer 1

Answer:

Given: equations of two lines: 3x+y+1=0 and 2x−3y+8=0

(1) Intercept of line 3x+y+1=0

at x=0,y=−1

at y=0,x=

3

−1

Now plot the first line on the graph using intercepts.

(2) Intercepts of the line 2x−3y+8=0

at x=0,y=

3

8

at y=0,x=−4

Now plot the second line on the graph using intercepts.

We can see that these two lines intersect a point x=−1,y=2

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