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Chapter Fivee!
Question | Answer |
---|---|
compound sentance | uses AND and OR as a conjunction to join two or more clauses |
Example: | 4 < x and x < 8 |
methods to solving systems | make a table, substitution, linear combination method, matrices |
Making a table | plug in values for x and y in each equation until x and y are the same for both. |
Substitution | find a value of x or y that is the oposite of the other then add the equations together and solve for x or y then plug in the value. |
Linear combination | use the addition property of equality |
Matrices | plug in the vlaues of the equations in matrix form then multiply by the inverse matrix |