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Inequality Contains one of the symbols <,>,_<,_> or not equal to. EX)J<5
Compound sentence A sentence in which two clauses are connected by the word and or with the word or. EX)"x is between 3 and 4 means 3
Union The solution set for a compound sentence using or is the union of the solution sets to the individual sentence. Symbol is U. EX)The union of sets A and B is written as A U B.
Properties of inequality For all real numbers a,b, and c: If a 0, then ac bc (inequality)
Solution set for a system Is the intersection of the solution sets for the individual sentences. When system has more than 2 equations each with 2 variables, the solution can be found by a table or graph.
Linear combination method Involves adding multiples of the given equations. EX) Ax + By linear combination of x and y.
Matrix form of a system x+3y=22 2x-y=2 the matrix would look like this:[1 3] [2 -1]
Coefficient matrix The matrix [1 3] contains the coefficients matrix. [2 -1]
Half-planes When a line is drawn in a plane, the line seprates the plane into 2 distinct regions.
Boundary The line itsself is the boundary of the two regions.
Feasible set or feasible region The set of solutions to a system of a linear inequalities for that system. Intersection of the boundaries are also called VERTICES.
Created by: kaleighbrown