 # Complex Numbers Section 2.1. Objectives Rewrite the square root of a negative number as a complex number. Write the complex conjugate of a complex number.

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Complex Numbers Section 2.1

Objectives Rewrite the square root of a negative number as a complex number. Write the complex conjugate of a complex number. Add, subtract, multiply, and divide two complex numbers. Solve a quadratic equation with complex solutions.

Vocabulary complex number complex conjugate

Rewrite the following square root so that there is no longer a negative sign under the square root symbol.

Evaluate the expression

Multiply the following two numbers together.

Find the complex conjugate of each of the following:

Multiply the following two numbers together.

Evaluate the expression

Solve the equation:

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