Addition of Monomials

Which of the following are the correct steps in adding monomials which are like terms?

• Copy the variables and exponents. Add the exponents.

• Copy the variables and exponents.

  Add the numerical coefficients.

• Copy the variables and exponents. Put a plus sign in between the variables and numerical coefficients.

• Copy the variables and exponents. Add the numerical coefficients to the variables.

Which of the following sets are LIKE OR SIMILAR terms?

• -1, -2, 4, 5

Which of the following is a set of UNLIKE/DISSIMILAR terms?

• 4, -19, 5, 20

• 3y, -5y, 13y, 100y

Which of the following are pairs of like terms?

• All of the above

• 13a

• 14a

• 15a

• 16a

• 0+5