Asked by Anonymous
Graph the linear system and estimate the solution. Then check the solution algebraically.
7x+y=-17
3x-10y=24
I have to have 4 labeled points and I'm not getting the fraction thing. Any help would be great!
7x+y=-17
3x-10y=24
I have to have 4 labeled points and I'm not getting the fraction thing. Any help would be great!
Answers
Answered by
MathMate
The first equation has a y-intercept of -17.
The x-intercept is -17/7=-(2+3/7)
=-2.4286 approx.
The second equation has a y-intercept of -2.4, and x-intercept of -2.4/(-0.3)=8.
If you produce the two lines to intersection, the estimated solution would be (-2, -3)
The x-intercept is -17/7=-(2+3/7)
=-2.4286 approx.
The second equation has a y-intercept of -2.4, and x-intercept of -2.4/(-0.3)=8.
If you produce the two lines to intersection, the estimated solution would be (-2, -3)
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