Introduction to polynomials

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What is a polynomial?
- Review on Variables, Coefficients, and Expressions
- What are Monomials, Binomials, and Trinomials?
- What are the Degree, Leading Term, and Constant term of a polynomial?
- Name polynomials based on degree: Quadratic, Cubic, Quartic, Quintic, etc.
How to find the degree of a polynomial?

Determine the number of terms and the name for each of the expression.
1. $- 5{y^2}$
2. $2{x^2} + 4x + 6$
3. $- 7.3$
4. $y^3 + ay + nx - x^2$
Find the degree and number of terms for each of the following expression.
1. $2xy - 3{y^2} + 6$
2. $4{a^3} + a$
3. $- 4$
Write the expression for each set of the algebra tiles.
Peter wants to buy some comic books and magazines. A bookstore sells comic books for $12 each and magazines for $8 each.
1. Write an expression to represent the money Peter needs to spend on both comic books and magazines.
2. How much does Peter need to spend if he wants 9 comic books and 3 magazines?
3. Write a new expression for Peter's expenditure on books if the bookstore raises the price of a comic book to $15 and a magazine to $10.