MATH 104 - Intermediate Algebra4 Credit: (4 lecture, 1 lab, 0 clinical) 5 Contact Hours: [Math Level 4 ] This course explores algebraic concepts including linear, quadratic, exponential and logarithmic functions using numerical, graphical, and symbolic representations; sequences; and systems of equations. Students experience these concepts using a problem solving approach with appropriate technology. OFFERED: every semester
Course Goals/ Objectives/ Competencies: Goal 1: Students will operate with three representation of function: numerically, graphically, and algebraically, using appropriate technology when applicable.
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Construct a table and graph an equation using a graphing calculator.
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Solve equations numerically (using a table) to the nearest tenth.
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Solve equations graphically.
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Build equations for and solve word problems.
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Use formulas to solve problems.
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Solve a formula or equation for one of its variables.
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Solve percent equations.
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Solve discount and mark-up problems.
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Solve percent of increase and decrease problems.
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Solve mixture problems.
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Solve problems involving distance.
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Solve problems involving money.
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Solve problems involving interest.
Goal 2: Students will apply function notation and concepts.
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Identify relations.
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Identify functions.
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Identify domains and ranges.
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Apply the vertical line test.
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Apply function notation.
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Graph linear functions.
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Write an equation of a line using function notation.
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Find equations of parallel and perpendicular lines.
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Identify and find equations of arithmetic sequences.
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Graph nonlinear functions.
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Shift functions vertically and horizontally.
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Reflect graphs.
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Solve direct variation problems.
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Solve inverse variation problems.
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Solve problems involving direct or inverse variation.
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Graph an “eyeballed” line of best fit for real world data.
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Use a calculator to find a line of best fit for real world data.
Goal 3: Students will solve systems of equations.
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Review solving 2x2 systems of equations graphically, by substitutions, and by elimination.
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Identify a 2x2 system of linear equations as having a single solution, an infinite number of solutions, or two solutions.
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Determine the most appropriate solution method to use given the characteristics of a particular system.
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Explain the algebraic results from solving 2x2 systems of equations whose graphs are parallel or coincident.
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Solve 3x3 systems of equations methodically.
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Solve applied problems using a 2x2 or 3x3 system of equations.
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Apply a Quantity-Rate Table to set up appropriate systems of equations.
Goal 4: Students will solve various types of inequalities.
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Define linear inequalities in one variable.
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Graph solution sets on a number line.
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Use interval notation.
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Solve linear inequalities.
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Solve inequality applications.
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Find the intersection of two sets.
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Solve compound inequalities containing “and.”
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Find the union of two sets.
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Solve compound inequalities containing “or.”
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Solve absolute value equations.
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Graph the solutions to linear inequalities in 2 variables.
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Solve systems of linear inequalities in 2 variables.
Goal 5: Students will apply exponent properties.
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Find square roots.
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Approximate square roots.
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Find cube roots.
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Find nth roots.
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Find m-root of an where a is any real number.
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Graph square root and cube root functions.
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Apply a1/n.
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Apply am/n.
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Apply a-m/n.
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Evaluate exponential expressions without a calculator.
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Use exponent rules to simplify expressions with rational exponents.
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Use rational exponents to simplify radical expressions.
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Apply product rule for radical expressions.
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Apply quotient rule for radical expressions.
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Simplify radicals.
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Use distance and midpoint formulas.
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Add or subtract radical expressions.
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Multiply radical expressions.
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Rationalize denominators with one or two terms.
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Rationalize numerators.
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Solve radical equations.
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Use Pythagorean Theorem to model problems.
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Write square roots of negative numbers in the form bi.
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Add and subtract complex numbers.
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Multiply complex numbers.
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Raise i to various powers.
Goal 6: Students will operate on rational expressions.
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Find the domain of a rational function.
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Use rational functions in applications.
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Simplify rational expressions.
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Write equivalent rational expressions.
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Multiply rational expressions.
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Divide rational expressions.
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Convert among units of measurements using unit conversion factors.
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Add and subtract rational expressions.
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Solve equations containing rational expressions.
Goal 7: Students will use the characteristics of quadratic functions to operate on them.
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Graph quadratic equations.
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Solve quadratic equations by factoring.
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Identify the domains and ranges of quadratic functions.
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Determine characteristics of quadratic graphs, including vertical and horizontal intercepts, vertices, and axes of symmetry.
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Determine where a quadratic function is increasing and decreasing.
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Determine the equation of a quadratic function given its table.
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Determine the equation of a sequence representing a quadratic function.
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Relate factors of quadratic functions to their zeros.
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Factor trinomials using the zeros of the related quadratic function.
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Determine x-intercepts of quadratic functions by factoring.
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Determine the equation for a quadratic function using x-intercepts and one other point.
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Describe the effect of “a” in y= ax2+bx+c.
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Describe the effect of “c” in y= ax2+bx+c.
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Identify horizontal and vertical shifts of y= ax2.
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Graph a quadratic function given its vertex form without constructing a table.
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Determine the equation of a parabola given its vertex and one other point.
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Change an equation from standard form to vertex form by setting it equal to “c” and averaging the x-values of the symmetrical points found.
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Solve minimum and maximum application problems.
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Use a calculator to determine a parabola of best fit for real world data that appears to be quadratic.
Goal 8: Students will solve quadratic equations using various methods.
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Solve quadratic equations numerically and graphically.
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Solve quadratic equations by factoring.
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Use the square root property to solve quadratic equations.
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Solve quadratic equations by completing the square.
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Solve quadratic equations using the quadratic formula.
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Use the discriminant to determine the number and types of solutions for a quadratic equation.
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Solve problems modeled by quadratic equations.
Goal 9: Students will apply properties of exponential and logarithmic functions.
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Identify the base and exponent in an exponential expression.
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Write geometric sequences.
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Determine whether or not a function is exponential, using ratios.
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Determine the first term and common ratio to find the nth term of a geometric sequence.
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Write regression and function equations for a geometric sequence.
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Graph exponential functions.
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Use a calculator to find a curve of best fit for real world data that appears to be exponential.
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Identify increasing and decreasing exponential functions.
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Explore how the base and coefficient of an exponential expression affect the graph of an exponential function.
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Solve equations of the form bx=by.
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Solve problems modeled by exponential equations.
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Model exponential growth and decay.
Goal 10: Students will apply inverse function properties.
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Determine whether a function is one-to-one.
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Apply the horizontal line test.
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Find the inverse of a one-to-one function.
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Find the equation of the inverse of a one-to-one function.
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Graph a function and its inverse.
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Determine whether two functions are inverses of each other.
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Write exponential equations in logarithmic form and vice versa.
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Solve logarithmic equations using exponential notation.
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