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5.2 System of Equation - Elimination Method
The elimination method is a method for solving a system of equations by adding or subtracting the equations so that one of the variables...
Darren Fan
Jun 13, 20232 min read


5.1 System of Equation - Substitution
The substitution method is a method for solving a system of equations. It involves the following steps: Solve one equation for one of the...
Darren Fan
Jun 9, 20231 min read


4.6 Arithmetic Sequences
An arithmetic sequence is a sequence of numbers in which each term is obtained by adding a fixed number, called the common difference, to...
Darren Fan
Jun 6, 20232 min read
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