Question

Draw the graphs of the equations x – y + 1 = 0 and 3x + 2y- 12 = 0. Determine the coordinates of the vertices
of the triangle formed by these lines and the x-axis, and also the shade the triangular region.​

Answer 1

Answer:

x-y+1=0 , x=1 , y=x+1 , y= 1+1 , y=2

x=2, y=x+1. , y=2+1 , y=3

x=3 , y =x+1 , y=3+1 , y=4

3x+2y-12=0 , x=1. , 2y=3x-12 , 2y=3-12 , 2y=-9, y= -9/2 ,

. x=2. , 2y= 3x-12 , 2y=3*2-12 , 2y=6-12 , 2y=-6 , y=6/2 ,y =3. ,.

x=3 , 2y=3x-12, 2y=3*3-12 , 2y=9-12 , 2y=-3. , y=3/2

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