draw a triangle using the roots of _3x+5x+21=y, the associated vertex of the equation, and the x-axis, to format the sides of th
e triangle.
1 answer:
3x+5x+21=y
3x+5x=8x
8x+21=y
-21 -21
8x=y-21
8x÷8=x
y-21÷8=y-2.625
x= -2.625 + 0.125 y
I think that is right... :)
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