Great Lakes PGPM & PGDM 2025
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3 Questions around this concept.
The highest power of the variable that occurs in the polynomial is called the ___________ .
The degree of the polynomial is
Definition:
The degree of a polynomial is the highest power of the variable in that polynomial.
For instance, in the polynomial , the degree is 3, because the highest power of x is 3.
Foundation Building Questions:
Question 1:
Given . What is the degree of P(x)?
Solution:
The term with the highest power of x is . Hence, the degree of P(x) is 4.
Question 2:
If Q(x) = x - 2, what is the degree of Q(x)?
Solution:
The highest power of x in the given polynomial is 1. Therefore, the degree of Q(x) is 1.
Tips and Tricks:
1. Identify the Highest Power: Look for the term with the highest power of x (or any other variable being used) to quickly determine the degree.
2. Coefficient Doesn't Matter: Remember, the coefficient (number in front of x) doesn't affect the degree. So in , the degree is 5, regardless of the 7.
3. For Constant Polynomials: If a polynomial is just a constant (e.g., 7, -4, 5), its degree is considered to be 0.
4. Watch for Hidden Powers: Sometimes, terms might be multiplied together. For instance, in the term , the effective power is 2 + 3 = 5.
Remember, understanding the degree of a polynomial helps in many ways: from solving equations, to sketching graphs, to understanding the behaviour of functions. Always give it a quick glance when you come across a polynomial in any problem.
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