TEKS 111.40(c)(3)(A)
formulate systems of equations, including systems consisting of three linear equations in three variables and systems consisting of two equations, the first linear and the second quadratic;
Source: Texas Administrative Code §111.40 (Chapter 111) · Adopted 2012
Knowledge & Skills 111.40(c)(3)
Systems of equations and inequalities
The student applies mathematical processes to formulate systems of equations and inequalities, use a variety of methods to solve, and analyze reasonableness of solutions. The student is expected to:
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Other expectations under 111.40(c)(3)
- TEKS 111.40(c)(3)(B) solve systems of three linear equations in three variables by using Gaussian elimination, technology with matrices, and substitution;
- TEKS 111.40(c)(3)(C) solve, algebraically, systems of two equations in two variables consisting of a linear equation and a quadratic equation;
- TEKS 111.40(c)(3)(D) determine the reasonableness of solutions to systems of a linear equation and a quadratic equation in two variables;
- TEKS 111.40(c)(3)(E) formulate systems of at least two linear inequalities in two variables;
- TEKS 111.40(c)(3)(F) solve systems of two or more linear inequalities in two variables; and
- TEKS 111.40(c)(3)(G) determine possible solutions in the solution set of systems of two or more linear inequalities in two variables.