Question 206129
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Given: {{{system(4x + 5y = -2(red(EQN1)),4y + (-x) = 11(green(EQN2)))}}}


In {{{red(EQN1)}}}, let Fx=0:
{{{4(0)+5y=-2}}} ---> {{{cross(5)y/cross(5)=-2/5}}}
{{{red(y=-2/5)}}}, Y-Intercept (0,-0.4)
Let Fy=0
{{{4x+5(0)=-2}}} ---> {{{cross(4)x/cross(4)=cross(-2)1/cross(4)2}}}
{{{red(x=-1/2)}}}, X-Intercept (-0.5,0)


In {{{green(EQN2)}}}, let Fx=0:
{{{4y-0=11}}} ---> {{{cross(4)y/cross(4)=11/4}}}
{{{green(y=11/4)}}}, Y-Intercept (0,11/4) or (0,2.75)
Let Fy=0
{{{4(0)-x=11}}} ---> {{{cross(-1)x/cross(-1)=11/-1}}}
{{{green(x=-11)}}}, X-Intercept (-11,0)
{{{drawing(350,350,-12,8,-4,4,graph(350,350,-12,8,-4,4,(-4x-2)/5,(x+11)/4),green(circle(0,-.4,.20)),green(circle(-.5,0,.20)),red(circle(0,11/4,.20)),red(circle(-11,0,.20)))}}} ---> {{{red(EQN1)}}}; {{{green(EQN2)}}}


Thank you,
Jojo</font>