(i) 2x3 + 5x2 - 7
Degree is the highest power of the variable of a polynomial. In the given polynomial highest power is 3.
Therefore degree of the polynomial is 3.
(ii) 5x2 - 3x + 2
Degree is the highest power of the variable of a polynomial. In the given polynomial highest power is 2.
Therefore degree of the polynomial is 2.
(iii) 2x - x2 - 8
Degree is the highest power of the variable of a polynomial. In the given polynomial highest power is 2.
Therefore degree of the polynomial is 2.
(iv) \(\frac{1}{2}\)y7 - 12y6 + 48y5 - 10
Degree is the highest power of the variable of a polynomial. In the given polynomial highest power is 7.
Therefore degree of the polynomial is 7.
(v) 3x3 + 1
Degree is the highest power of the variable of a polynomial. In the given polynomial highest power is 3.
Therefore degree of the polynomial is 3.
(vi) 5
Degree is the highest power of the variable of a polynomial. In the given polynomial there is no variable term.
Therefore degree of the polynomial is 0.
(vii) 20x3 + 12x2y2 + 20
Degree is the highest power of the variable of a polynomial. In the given polynomial highest power is 4.
Therefore degree of the polynomial is 4.