For what value is x+4/5x-9 undefined?
1 answer:
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Let z = 3x+2. Then, by substitution, your equation is
.. z^2 +7z -8 = 0
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This equation can be factored as
.. (z +8)(z -1) = 0
.. x = -8 or +1
Then
.. 3x +2 = -8 or +1
.. 3x = -10 or -1
.. x = -10/3 or -1/3
.. z^2 +7z -8 = 0
_____
This equation can be factored as
.. (z +8)(z -1) = 0
.. x = -8 or +1
Then
.. 3x +2 = -8 or +1
.. 3x = -10 or -1
.. x = -10/3 or -1/3
Given:
The polynomial is
To find:
Based on its number of terms name for the given polynomial.
Solution:
We have,
Here, number of terms is 3.
Any polynomial with three terms is known as trinomial.
Therefore, based on its number of terms the given polynomial is called a trinomial.