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Tuesday, February 4 th. Warm Up. Simplify each expression 1. 2. . Week 4-# 2. Quiz on Friday . Imaginary Numbers Simplifying Adding and subtracting Multiplying and dividing Review Rational exponents Simplifying radicals .
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Tuesday, February 4th Warm Up Simplify each expression 1. 2.
Quiz on Friday Imaginary Numbers • Simplifying • Adding and subtracting • Multiplying and dividing Review • Rational exponents • Simplifying radicals
So here’s what the math people did: They used the letter “i” to represent the square root of (-1). “i” stands for “imaginary” So, does really exist?
2.) 3.) -Express these numbers in terms of i. Simplify. 1.)
ALWAYS DIVIDE BY 4!!!! Reference
Complex Numbers • A complex number has a real part & an imaginary part. • Standard form is: Real part Imaginary part Example: 5+4i
Adding and Subtracting • add or subtract the real parts • then add or subtract the imaginary parts)
Ex1: Ex3: Ex2:
You Try! Perform the subtraction and write the answer in standard form. ( 3 + 2i ) – ( 6 + 13i ) 3 + 2i – 6 – 13i –3 – 11i
Worktime • Finish FAL-Glue tables, expressions, and words. Turn in at front table • Complete post assessment. Turn in at front table • Work on Homework 22-41 on back of Friday’s Homework
You should have a yellow and orange match up! • Each pair will be matched with a table • Hint: Tables may have more than one pair • When you think you have it organized the way you would like, glue down on a piece of construction paper. THERE IS MORE THAN ONE WAY TO ORGANIZE THIS!