Powell, Wayne B. Retired, Arkansas Tech University, Russellville, Arkansas.
Last reviewed:March 2020
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- Number systems
- Algebraic expressions
- Algebraic equations
- Factoring of polynomials
- Rational functions
- Exponential functions
- Logarithmic functions
- Systems of linear equations
- Additional Reading
The branch of mathematics dealing with the solution of equations. These equations involve unknowns, or variables, along with fixed numbers from a specified system (Fig. 1). The origins of algebra were based on the need to develop equations that modeled real-world problems. From this came a very extensive theory based on the need to find the values that can be successfully used in the equations.
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