Which monomials are perfect squares? Select three options.6x29x817x925x1236x16

A monomial is a perfect square when its coefficient is a perfect-square number and every variable has an even exponent. In 9x⁸, 25x¹², and 36x¹⁶, the coefficients are perfect squares and the exponents are even. The other monomials have coefficients 6 or 17, which are not perfect squares.

AI-written and checked against the verified answer.