Algebraic closure provides a complete set of solutions for polynomials, simplifying the study of polynomials and their properties. When a polynomial is added to any polynomial, the result is always a polynomial.2 Use the Gram-Schmidt process to find the first four orthogonal polynomials satisfying the following: A set of numbers is closed under an operation if the result obtained when an operation is performed on any two numbers in the set is also a member of the set. Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction,. This course covers basic algebra topics and prepares students for an introductory college-level algebra course, such as MATH 110. This portion summarizes the findings of the alignment between North Carolina's. Standards and ACT's Educational Planning and Assessment System (EPAS®). This lesson uses an interesting mathematical organizer to help students fluently add and subtract polynomial expressions. A: Use the method of completing the square to transform any quadratic equation in x into an equation of the form (x - h)² = k that has the same solutions.