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Warm-Up: December 17, 2012 Simplify each expression. Homework Questions?. Adding and Subtracting Rational Expressions. Section 8.4. Essential Question. How do we add and subtract rational expressions?. Adding/Subtracting Fractions. Find a common denominator (preferably the LCD)
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Adding and Subtracting Rational Expressions Section 8.4
Essential Question • How do we add and subtract rational expressions?
Adding/Subtracting Fractions • Find a common denominator (preferably the LCD) • Multiply numerator and denominator of each fraction to convert them to the common denominator • Add/Subtract the numerators • If subtracting, remember to distribute the negative • The resulting denominator does not change; it remains the common denominator • Simplify
Assignment • Page 509 #11-29 odd
December 19, 2012 • Pick up a worksheet and immediately start working in your assigned seat. • Show all work on a separate sheet of paper. • You will be able to move and work with other students after Mr. Szwast takes attendance.
Quiz Tomorrow • 10 Questions • Free response – must show work to receive credit. • Every question comes directly from an in-class example, you-try, or homework problem.
December 20, 2012 • You have the remainder of class to work on the 8.4 Worksheet. • Anything not completed in class today is homework due tomorrow.