The expression can be classified by its degree and number of terms as:
- Degree=5 , number of terms = 3
- Degree = 6 number of terms , 4
- Degree= 4 , number of terms 2
What is degree of a expression?
The degree of a expression can be described as the highest power of the variable which can be found in the expression.
In the case, whereby there is more than one variables in an expression then the degree is the highest sum of powers of the variables .
For instance, in the third expression:
[tex](x^{2} + 9)(x^{2} -9)\\\\=x^{4} -9x^{2} +9x^{2} -81\\\\x^{4} -81[/tex]
Here, the degree which is the number on the X is 4, and the term here is just 2.
This can be done for all the given expression to get the degree as well as the number of terms.
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