Identify each of the following as a monomial, a binomial, a trinomial, or none of these.

$$7$$

Identify each of the following as a monomial, a binomial, a trinomial, or none of these.

$$1-4 x-x^2$$

State whether each expression is a perfect square.

$$64 x^6$$

State whether each expression is a perfect square.

$$64 x^6$$

State whether each expression is a perfect square.

$$25 x^4 y^8$$

Identify each of the following as a monomial, a binomial, a trinomial, or none of these.

$$2 x-7$$

State whether each expression is a perfect square.

$$2 x^4$$

Identify each of the following as a monomial, a binomial, a trinomial, or none of these.

$$-3 x^4+1$$

Multiply: $4 x^2 y\left(3 x^3 y^2+2 x y-7 y^3\right)$

Factor.

$$a^2+11 a b+30 b^2$$

Find the GCF of the monomials.

$$15 y^4, 8 y^5 z^6, 4 x^3 z$$

Divide.

$$\frac{16 x^3-24 x^2+48 x}{-8 x^2}$$

Solve.

$$2 b^2-5 b-12=0$$

Simplify.

$$-2 a^2\left(3 a^2-2 a+3\right)$$