algebraic Expressions

May 28th, 2015
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A variable is a symbol that represents a number. Usually we use letters such as n, t, or x for variables. For example, we might say that s stands for the side-length of a square. We now treat s as if it were a number we could use

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END OF INSTRUCTION -- ALGEBRA 1CONTENT STANDARDS AND OBJECTIVESStandard 1: Number Sense and Algebraic OperationsThe student will use expressionsand equations to model number relationships.1. Translate word phrases and sentences into expressions and equations and vice versa.2. Expressions*b. Simplify and evaluate linear, absolute value, rational, and radical expressions.c. Simplify polynomials by adding, subtracting, or multiplying.Standard 2: Relations and FunctionsThe student will use relations and functions tomodel number relationships.1. Relations and Functionsa. Distinguish between linear and nonlinear data.b. Distinguish between relations and functions.c. Identify dependent and independent variables, domain and range.d. Evaluate a function using tables, equations, or graphs.2. Recognize the parent graph of the functions y = k, y = x, y = |x|, and predict the effectsof transformations on the parent graph (e.g., y = |x| + 2, change slope, change intercepts,change slope and intercept).3. Calculate the slope of a line using a graph, an equation, two points, or a set of datapoints.4. Develop the equation of a line and graph linear relationships given the following:a. slope and y-interceptb. slope and one point on the linec. two points on the lined. x-intercept and y-intercepte. a set of data points* The skill 1.2.a was removed from PASS.5. Slope Interpretationa. Use the slope to differentiate between lines that are parallel, perpendicular,

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