Algebra 2 Proficiencies 1. Identify, sketch and interpret linear, absolute value, quadratic and piecewise graphs. Determine the range and domain of given functions. I can… Where can I find help? I can sketch a graph of linear, absolute value, quadratic and piecewise graphs. http://www.khanacademy.org/math/algebra/absolutevalue/v/absolute-value-and-number-lines I can identify and name the type of graph based on how it looks. I can graph piecewise graphs. I can determine the range and domain of a function when graphed. http://www.coolmath.com/algebra/21-advanced-graphing/03piecewise-functions-01.htm http://www.purplemath.com/modules/graphing.htm http://mathbits.com/MathBits/TIsection/Precalculus/piecewis e.htm http://www.khanacademy.org/math/algebra/algebrafunctions/v/domain-and-range-of-a-function 2. Solve absolute value equations and inequalities. Sketch the solution on a number line. I can solve absolute value equations and sketch the solution on a number line. I can solve absolute value inequalities and sketch the solution on a number line. http://www.khanacademy.org/math/algebra/solving-linearequations-and-inequalities/v/absolute-value-equations http://www.khanacademy.org/math/algebra/solving-linearequations-and-inequalities/v/absolute-value-equations-1 http://www.khanacademy.org/math/algebra/absolutevalue/v/absolute-value-equations-example-1 I can determine the absolute value inequality based on http://www.khanacademy.org/math/algebra/absolutethe graph. value/v/absolute-value-equation-example-2 www.khanacademy.org/math/algebra/absolutevalue/v/absolute-value-inequalities http://www.khanacademy.org/math/algebra/absolutevalue/v/absolute-value-inequalities-example-1 http://www.khanacademy.org/math/algebra/absolutevalue/v/absolute-inequalities-2 http://www.khanacademy.org/math/algebra/absolutevalue/v/absolute-value-inequalities-example-3 3. Explore matrices to find the solution to systems of equations using inverses as well as Cramer's rule. I can find add, subtract and multiply matrices. http://www.khanacademy.org/math/algebra/algebramatrices/v/introduction-to-matrices I can determine the determinate of a square matrix. http://www.khanacademy.org/math/algebra/algebramatrices/v/matrix-multiplication--part-1 I can determine the inverse of a matrix, if it exists. I can solve systems of equations using inverses with and without a calculator. I can solve systems of equations using Cramer's rule with and without a calculator. http://www.khanacademy.org/math/algebra/algebramatrices/v/matrix-multiplication--part-2 http://www.khanacademy.org/math/algebra/algebramatrices/v/inverse-matrix--part-1 http://www.khanacademy.org/math/algebra/algebramatrices/v/inverting-matrices--part-2 http://www.khanacademy.org/math/algebra/algebramatrices/v/matrices-to-solve-a-system-of-equations http://www.purplemath.com/modules/determs.htm http://www.purplemath.com/modules/cramers.htm 4. Add, subtract multiply and divide given functions. Use composition of functions to determine inverse functions. Determine the inverse of a function. I can add, subtract, multiply and divide given functions. http://www.khanacademy.org/math/algebra/algebrafunctions/v/sum-of-functions I can use composition of functions to check if two functions are inverses. http://www.khanacademy.org/math/algebra/algebrafunctions/v/difference-of-functions I can determine the inverse of a function. http://www.khanacademy.org/math/algebra/algebrafunctions/v/product-of-functions http://www.khanacademy.org/math/algebra/algebrafunctions/v/quotient-of-functions http://www.khanacademy.org/math/algebra/algebrafunctions/v/functions-part-2 http://www.khanacademy.org/math/algebra/algebrafunctions/e/functions_3 http://www.khanacademy.org/math/algebra/algebrafunctions/v/functions--part-4 http://www.khanacademy.org/math/algebra/algebrafunctions/v/a-more-formal-understanding-of-functions 5. Divide polynomials and explore converting and simplifying rational exponents. I can divide polynomials using long division and/or synthetic division. I can convert rational exponents into radical form and back. I can simplify radical expressions either in rational or radical form. http://www.khanacademy.org/math/algebra/polynomials/v/div iding-polynomials-1 http://www.khanacademy.org/math/algebra/polynomials/v/alg ebraic-long-division http://www.khanacademy.org/math/algebra/polynomials/v/div iding-polynomials-with-remainders http://www.khanacademy.org/math/algebra/polynomials/v/sy nthetic-division http://www.khanacademy.org/math/algebra/polynomials/v/sy nthetic-division-example-2 http://www.khanacademy.org/math/algebra/polynomials/v/wh y-synthetic-division-works http://www.khanacademy.org/math/algebra/polynomials/v/ter ms-coefficients-and-exponents-in-a-polynomial http://www.khanacademy.org/math/algebra/exponentsradicals/v/fractional-exponent-expressions-1 http://www.khanacademy.org/math/algebra/exponentsradicals/v/fractional-exponent-expressions-2 http://www.khanacademy.org/math/algebra/exponentsradicals/v/fractional-exponent-expressions-3 http://www.khanacademy.org/math/algebra/exponentsradicals/v/simplifying-square-roots 6. Understand how exponential functions look when graphed, solve equations involving exponential equations and solve story problems such as half life, population, interest, etc. I can determine the range and domain of exponential functions. I can graph an exponential function and relate it to the parent graph. http://www.khanacademy.org/math/precalculus/v/exponential -growth http://www.khanacademy.org/math/precalculus/v/introduction -to-compound-interest-and-e I can solve exponential equations for a variable. I can solve story problems which involve exponential functions including half life, population, interest, etc... http://www.khanacademy.org/math/algebra/ck12-algebra1/v/exponential-growth-functions http://www.khanacademy.org/math/algebra/ck12-algebra1/v/exponential-decay-functions 7. Understand how logarithms are inverses of exponents. Use properties to simplify and solve logarithmic equations including converting log bases and using the natural log "e". Finally solving story problems involving growth and decay models. I can convert between logarithmic and exponential forms. I can solve logarithmic equations using the properties of logarithms (product, quotient and power). I can convert (change) log bases. I can do the above statements with the natural logarithm "e". http://www.khanacademy.org/math/algebra/logarithms/v/intro duction-to-logarithms http://www.khanacademy.org/math/algebra/logarithms/v/loga rithm-of-a-power http://www.khanacademy.org/math/algebra/logarithms/v/sum -of-logarithms-with-same-base http://www.khanacademy.org/math/algebra/logarithms/v/intro duction-to-logarithm-properties http://www.khanacademy.org/math/algebra/logarithms/v/intro duction-to-logarithm-properties--part-2 http://www.khanacademy.org/math/algebra/logarithms/v/usin g-multiple-logarithm-properties-to-simplify I can use logarithms to solve growth and decay story http://www.khanacademy.org/math/algebra/logarithms/v/cha problems. nge-of-base-formula http://www.khanacademy.org/math/algebra/logarithms/v/loga rithmic-equations http://www.khanacademy.org/math/algebra/logarithms/v/solvi ng-logarithmic-equations http://www.khanacademy.org/math/algebra/logarithms/v/natu ral-logarithm-with-a-calculator http://www.khanacademy.org/math/algebra/logarithms/v/calc ulator-for-natural-logarithms 8. Relate arithmetic sequences to linear functions. Use arithmetic sequences and series to solve reallife problems. I can identify arithmetic sequences and series. http://www.khanacademy.org/math/algebra/solving-linearequations-and-inequalities/v/patterns-in-sequences-1 I can determine the common http://www.khanacademy.org/math/algebra/solving-lineardifference "d". equations-and-inequalities/v/patterns-in-sequences-2 I can find the "nth" term of a sequence and series (next three or middle values). I can determine the sum of an arithmetic series. I can write and evaluate series written in sigma notation. I can solve story problems which involve sequences and series. http://www.khanacademy.org/math/precalculus/v/sequencesand-series--part-1 http://www.khanacademy.org/math/precalculus/v/sequencesand-series--part-2 9. Relate geometric sequences to exponential functions. Use geometric sequences and series to solve real-life problems. I can identify geometric sequences and series. http://www.khanacademy.org/math/algebra/ck12-algebraI can determine the common 1/v/geometric-sequences--introduction ratio "r". I can find the "nth" term of a sequence and series (next three or middle values). I can determine the sum of an geometric series. I can write and evaluate series written in sigma notation. I can solve story problems which involve sequences and series. 10. Understand the workings of rational expressions including addition, subtraction, multiplication and division. As well as graphing and describing wholes, asymptotes and points of discontinuity. I can add, subtract, multiply and divide rational expressions. I can graph rational expressions and determine where discontinuities occur such as wholes and asymptotes. http://www.khanacademy.org/math/algebra/exponentsradicals/v/adding-and-subtracting-rational-expressions http://www.khanacademy.org/math/algebra/exponentsradicals/v/multiply-and-simplify-a-radical-expression-1 http://www.khanacademy.org/math/algebra/exponentsradicals/v/multiply-and-simplify-a-radical-expression-2 http://www.khanacademy.org/math/algebra/ratiosproportions/v/solving-rational-equations-1 http://www.khanacademy.org/math/algebra/ratiosproportions/v/solving-rational-equations-2