Question

identify the polynomial x-²+x-¹+5, x²+5√x+7, 1/x³+7 and 3x²+7​

Answer 1

Answer:

1 is the quadratic polynomial

Step-by-step explanation:

Answer 2

Answer:

3x²+7

Step-by-step explanation:

3x²+7 is a polynomial because the power of variable must be a whole number .

x-²+x-¹+5 has negative power

x²+5√x+7 has fraction power

1/x³+7 also has negative power because 1/x³ can be written as x-³