You can put this solution on YOUR website! Starting with y = x - 4
the y intercept is -4
Plot (0, -4)
the x intercept is where y = 0
0 = x - 4
4 = x
x = 4(-2)
x = -8
Plot (-8, 0)
Draw a line through the intercepts.
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Using y = x + 12
the y intercept is 12
Plot (0, 12)
the x intercept is where y = 0
0 = x + 12
-12 = x
x = -12
x = = -8
Plot (-8, 0)
Draw a line through the intercepts
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Both lines will intersect and that point of intersection is the solution to this system of equations.
From the intercepts we see that both have (-8, 0) as an x intercept and this is the point where the two lines intersect.
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Therefore the solution is (-8,0)
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To confirm algebraically, put the equations equal to each other and solve for x
-2x = 16
x = -8
Plug -8 into either equation and solve for y
y =
(-8,0)
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