Ø Solve a system of equations with different methods, and justify use of a specific method in a specific situation. Ø Explain why a system of equations has zero, one or infinite solutions. Ø Model a system of linear inequalities graphically. Represent a verbal description as a system of equations. Ø Solve a system of inequalities with different methods, and make choices about when to use a certain method. Ø Solve an equation such as
· System of linear equations · System of inequalities · Substitution method · Elimination method · Feasible region · Sign-change rule
*A1.1.C Solve problems that can be represented by a system of two linear equations or inequalities.
*A1.4.A Write and solve linear equations and inequalities in one variable *A1.4.D Write and solve systems of two linear equations and inequalities in two variables. A1.2.E Use algebraic properties to factor and combine like terms in polynomials.
A1.8.A Analyze a problem situation and represent it mathematically. A1.8.B Select and apply strategies to solve problems. |