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15 Cards in this Set
- Front
- Back
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Systems of equation |
2 or more equation (2 variables) on the graph |
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No solution |
Parallel lines and have the same slope and is inconsistent |
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Substitution |
use of algebraic methods to find an exact solution to a system of equations |
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Elimination |
the use of addition or subtraction to eliminate one variable to solve a system of equations |
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consistent |
a system of equations that has at least one ordered pair that satisfies both equations |
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independent |
a system of equations with exactly one solution |
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dependent |
a system of equations that has an infinite number of solutions |
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inconsistent |
a system of equations with no ordered pair to satisfy both equations |
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Systems of inequalities |
A set of two or more inequalities with the same variables |
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Matrix |
Any rectangular arrangement of numbers in rows and columns |
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Element |
Each entry in a matrix |
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Dimension |
The numbers of rows,m, and the number of columns, n, of a matrix written as m×n |
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Augmented matrix |
A coefficient matrix with an extra column containing the constant terms |
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Row reduction |
The process of performing elementary row operations on an augmented matrix to solve a system |
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Identity matrix |
A square matrix when multiplied by another matrix, equals that same matrix. If A is any n×n matrix and I is the non identity matrix then A×I=A and I×A=A |
