# Posts tagged Math

## Identifying Variables: Independent and Dependent

CC.9-12.A.CED.1 – Create equations and inequalities in one variable and use them to solve problems.

## Simplify Expressions by Factoring

CC.9-12.A.APR.7 – Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.

## Simplify Algebraic Fractions by Factoring 2

CC.9-12.A.APR.7 – Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.

## Simplify Algebraic Fractions by Factoring

CC.9-12.A.APR.7 – Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.

## Recognizing When Radical Expressions are Undefined

## Recognizing When a Rational Expression is Undefined

## Polynomial Operations

CC.9-12.A.APR.1 – Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication; add, subtract, and multiply polynomials.

## Multiplying Polynomials

CC.9-12.A.APR.1 – Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication; add, subtract, and multiply polynomials.

## Adding and Subtracting Polynomials

CC.9-12.A.APR.1 – Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication; add, subtract, and multiply polynomials.

## Solve Quadratic Equations Using the Appropriate Methods and Formulas

CC.9-12.A.SSE.3a – Factor a quadratic expression to reveal the zeros of the function it defines.