College Algebra (TUTOR DANIEL ONLY)

Module 4 - Background

SYSTEMS OF EQUATIONS AND INEQUALITIES

Solve a System of Equations

Watch

Khan Academy. (2012). Solving systems graphically. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/solving-systems-graphically

Khan Academy. (2012). Simple elimination practice. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/simple-elimination-practice

Khan Academy. (2012). Systems with elimination practice. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/systems-with-elimination-practice

Khan Academy. (2012). Practice using substitution for systems. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/practice-using-substitution-for-systems

Read

Read pages 1-5

Stapel, Elizabeth. (2012). "Systems of linear equations: Definitions.” Purplemath. Retrieved from  http://www.purplemath.com/modules/systlin1.htm

Practice

Khan Academy. (2012). Graphing systems of equations. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/graphing_systems_of_equations

Khan Academy. (2012). Systems of equations with simple elimination. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations_with_elimination_0.5

Khan Academy. (2012). Systems of equations with elimination. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations_with_elimination

Khan Academy. (2012). Systems of equations with substitution. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations_with_substitution

Khan Academy. (2012). Systems of equations. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations

Identify System Graphs and Solutions

Watch

Khan Academy. (2011). Consistent and inconsistent systems. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/v/consistent-and-inconsistent-systems

Khan Academy. (2012). Independent and dependent systems. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/v/independent-and-dependent-systems

Khan Academy. (2012). Practice thinking about number of solutions to systems. Retrieved from  https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/v/practice-thinking-about-number-of-solutions-to-systems

Khan Academy. (2013). Constructing solutions to systems of equations. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/v/constructing-solutions-to-systems-of-equations

Read

Stapel, Elizabeth. (2012). "Systems of linear equations: Graphing.” Purplemath. Retrieved from  http://www.purplemath.com/modules/systlin2.htm

Practice

Khan Academy. (2012). Graphical solutions to systems. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/e/graphical-solutions-to-systems

Khan Academy. (2012). Solutions to systems of equations. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/e/solutions_to_systems_of_equations

Khan Academy. (2013). Constructing consistent and inconsistent systems. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-solutions/e/constructing-consistent-and-inconsistent-system

Graph a System of Equations and Inequalities on a Coordinate Plane

Watch

Khan Academy. (2011). Visualizing the solution set for a system of inequalities. Retrieved from https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/v/graphical-system-of-inequalities

Khan Academy. (2011). Graphing systems of inequalities. Retrieved from https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/v/graphing-systems-of-inequalities-2

Khan Academy. (2011). Graphing systems of inequalities 2. Retrieved from https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/v/u06-l3-t1-we3-graphing-systems-of-inequalities

Read

Stapel, Elizabeth. (2012). "Systems of linear equations: Graphing.” Purplemath. Retrieved from  http://www.purplemath.com/modules/systlin2.htm

Read pages 1-2

Stapel, Elizabeth. (2012). "Systems of linear inequalities.” Purplemath. Retrieved from  http://www.purplemath.com/modules/syslneq.htm

Practice

Khan Academy. (2011). Graphing systems of inequalities. Retrieved from https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/e/graphing_systems_of_inequalities

Khan Academy. (2011). Graphing and solving systems of inequalities. Retrieved from https://www.khanacademy.org/math/trigonometry/systems_eq_ineq/systems_inequalities_precalc/e/graphing_systems_of_inequalities_2

Apply a System to a Real World Situation

Watch

Khan Academy. (2013). Using a system of equations to find the price of apples and oranges. Retrieved from  https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-word-problems/v/using-a-system-of-equations-to-find-the-price-of-apples-and-oranges

Khan Academy. (2012). Trolls, tolls, and systems of equations. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/trolls--tolls--and-systems-of-equations

Khan Academy. (2012). Solving the troll riddle visually. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/solving-the-troll-riddle-visually

Khan Academy. (2012). King’s cupcakes: Solving systems by elimination. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/king-s-cupcakes---solving-systems-by-elimination

Khan Academy. (2012). How many bags of potato chips to people eat. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/how-many-bags-of-potato-chips-do-people-eat

Khan Academy. (2012). Talking bird solves systems with substitution. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/solving-systems-with-substitution

Read

Read pages 1-2

Stapel, Elizabeth. (2012). "System-of-equations word problems.” Purplemath. Retrieved from  http://www.purplemath.com/modules/systprob.htm

Practice

Khan Academy. (2012). Systems of equations word problems. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/e/systems_of_equations_word_problems

Khan Academy. (2012). Understanding systems of equations word problems. Retrieved from https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-word-problems/e/understanding-systems-of-equations-word-problems