Algebraic identities part 2

Algebraic Expressions and Polynomials

Use identities to evaluate: (998)^(2)

Use identities to evaluate: (502)^(2)

Use identities to evaluate: (101)^(2)

Use identities to evaluate: (97)^(2)

Prove that "The Algebraic Sum of deviations from Mean is zero".

Identify which of the following algebraic expressions are polynomials. If so, write their degrees. 3x^(2)+(2)/(x)-3

Which sequence of steps correctly gives the value of 4^((3)/(2)) and algebraically justifies the values?

Idenitfy which of the following algebraic expression are polynomials. If so, write their degrees. 2x-(3)/(x)

Write the statements explaining the following algebraic expressions. Also, write the terms of algebraic expression. 13ab+2c