esmeraldatoral0112
06.12.2019 •
Mathematics
What is the rational root of x^3+3x^2-6x-8=0
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Ответ:
The rational roots of the given equation are -4, -1, 2
Solution:Given, equation is:
We have to find the rational root of the given cubic equation.
Now, let us try it by trail and error method.
So, put x = 1 in given
Now we have got two roots 2 and – 1
We can find the third root by formula sum of roots
Hence, the rational roots of the given equation are -4, -1, 2
Ответ:
Not sure if you mean 2x+y=-4 or 2x+y=4
either way put it in y=mx + b form (slope intercept)
Step-by-step explanation:
so for 2x+y = -4 first move everything away from the side with "y" by -2x from each side you get y= -2x+ -4 so m= -2/1 (slope) and b= -4 the place the line crosses the y axis
so for 2x+y = 4 first move everything away from the side with "y" by -2x from each side you get y= -2x+ 4 so m= -2/1 (slope) and b= 4 the place the line crosses the y axis