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Slide 2 Objective Video Example by Mrs. G Give It a Try Lesson 5.3 Define and identify complex numbers Plot complex numbers in a complex plane Perform operations with complex numbers Find the absolute value of a complex number Slide 3 Video Objective Video Example by Mrs. G Give It a Try www.youtube.com Marty Brandl Slide 4 Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Real Numbers Rational Numbers Irrational Numbers e Integers Whole Numbers Counting Numbers Complex Numbers (a + bi) Imaginary Numbers (a + bi, b 0) Pure Imaginary Numbers (0 + bi, b 0) Slide 5 Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. The i in a complex number is NOT A VARIABLE. This allows us to deal with negatives inside of the radical. What if we square both sides? Slide 6 Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Write the expression as a complex number in standard form. a) b) Slide 7 Example by Mrs. G Objective Video Example by Mrs. G Give It a Try Click to continue. Write the expression as a complex number in standard form. a) b) c) F O I L Slide 8 Give It a Try Objective Video Example by Mrs. G Give It a Try Write the expression as a complex number in standard form. Bring your work and answer to our next class!