How do you solve (3y^2-9y^3)/(12y^2+5y-2)>=0?
3 Answers
Explanation:
If we divide a negative number by another negative number, we get a positive number. If we divide a positive by a positive number, we get also a positive answer. Therefore:
Therefore
Take the root
Therefore:
All in all:
Also
See below
Explanation:
Multiplying by
Dividing by
That can be simplified as:
To eliminate the negative sign, we have to change the equality sign. Thus, we get it as:
The solutions are
Explanation:
Solve this inequality with a sign chart
The roots of the denominator
The roots of the numerator
and
Let
Construct the sign chart
Therefore,
graph{(3x^2-9x^3)/(12x^2+5x-2) [-8.02, 6.03, -2.8, 4.23]}