SOLUTION: Graph the linear system and estimate the solution. Then check the solution algebraically.
x+2y=9
-x+6y=-1
thanks in advance
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-> SOLUTION: Graph the linear system and estimate the solution. Then check the solution algebraically.
x+2y=9
-x+6y=-1
thanks in advance
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You can put this solution on YOUR website! Transform both to slope-intercept form and graph.
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Slope = -1/2, Y-intercept=9/2
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Slope=1/6, Y-intercept=-1/6
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Then graph the two lines.
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Looks like (7,1) is the solution.
Check using the equations.
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The solution was verified using both equations.
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Now the algebraic solution.
1.
2.
Add eq. 1 and eq. 2 to get rid of x.
Then from eq. 1,
1.
