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# Expressions

Identifying linear, exponential, and quadratic expressions and using them to solve problems. Rewriting simple rational expressions in different forms.

#### Mapped to CCSS Section# HSA.SSE.A.1, HSA.SSE.A.1a, HSA.SSE.A.1b, HSA.SSE.A.2, HSA.SSE.B.3, HSA.SSE.B.3a, HSA.SSE.B.3b, HSA.SSE.B.3c, HSA.APR.D.6, HSA.APR.D.7

Interpret expressions that represent a quantity in terms of its context. Interpret parts of an expression, such as terms, factors, and coefficients. Interpret complicated expressions by viewing one or more of their parts as a single entity. For example, interpret P(1+r)n as the product of P and a factor not depending on P. Use the structure of an expression to identify ways to rewrite it. Choose and produce an equivalent form of an expression to reveal and explain properties of the quantity represented by the expression. Factor a quadratic expression to reveal the zeros of the function it defines. Complete the square in a quadratic expression to reveal the maximum or minimum value of the function it defines. Use the properties of exponents to transform expressions for exponential functions. Rewrite simple rational expressions in different forms. 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.