Algebraic Expression Quiz 1

Which of the following is a monomial?

The degree of $4xy^2z^3$

The degree of $3x^2 - 5 + 7x^3 - 6x^5$

If $A = 5x^2 + 3xy + 2y^2, B = -2y^2 - 3xy + 4x^2$  then A + B = ______

Which of the following is a group of like terms?

5x $\times$ (-3y) =

The product of 5x, 6y and 7z

$(a + b)^2 - (a - b)^2 =$

The formula involved in the product of $302\times298$

$(3m - 2n^2) \times (-7mn) =$ ____