Question

Identify the polynomial
(a) x2 + x1 +5
(b) x2 + 5x + 7
7
(c) x3
(d) 3x2 + 7​

Answer 1

Answer:

a) Quadratic polynomial

b) Quadratic polynomial

c) Cubic polynomial

d) Zero polynomial

Answer 2

a) Quadratic polynomial

b) Quadratic polynomial

c) Cubic polynomial

d) Zero polynomial:

Explanation:

• A quadratic polynomial is a polynomial which is 2 degree.
• For the answers of an arbitrary quadratic equation a closed-form answer called the quadratic formula exists .
• A cubic polynomial is a polynomial which has 3 degree.
• For the answers of an arbitrary cubic equation a closed-form answer called the cubic formula exists .
• The Zero polynomial is a polynomial whose coefficients are all same to 0.
• The corresponding polynomial feature is the regular feature with value 0.