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Complex Numbers to Solve EquationsBy making use of the imaginary number i we can solve equations that involve the square roots of negative numbers. Complex numbers enable us to solve equations that we wouldn't be able to otherwise solve. Examine the following example:
Without the ability to take the square root of a negative number we would not be able to solve these kinds of problems.
Practice Problems
Solving Equations
Directions: Use imaginary numbers to solve these practice equations. Problem 1) X2 = - 13 answer 
2) X2 = - 19 answer 
3) X2 = - 36 answer 
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Graphing Calc
