Lecture 1.4 bt
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Lecture 1.4 bt

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Lecture 1.4 bt Lecture 1.4 bt Presentation Transcript

  • Today’s Agenda • Attendance / Announcements • Questions from HW? • Section 1.4 Rational Expressions
  • Factoring Review Remember to always factor out the G.C.F. and keep factoring until you can‟t factor anymore! xxx 963 23
  • Factoring Review Remember to always factor out the G.C.F. and keep factoring until you can‟t factor anymore! xx 188 3
  • Rational Expressions An expression that can be written as the quotient of two polynomials. 2 532 2 x xx 1 8 x x 2 note*: We need to make sure…..
  • Simplifying Rational Expressions Cancellation Property Q P QS PS
  • 5 5 x x Simplifying Rational Expressions Cancellation Property
  • 4 4 x x Simplifying Rational Expressions Cancellation Property
  • Simplify each expression…
  • Simplify each expression…
  • Multiplying Rational Expressions (p. 29) Same as fraction arithmetic “Multiply straight across…top and bottom”
  • Perform each operation…
  • Dividing Rational Expressions (p. 29) Same as fraction arithmetic “Dividing by a fraction  Multiply by the reciprocal”
  • Perform each operation…
  • Adding / Subtracting Rational Expressions “Just like with fractions…We need a….”
  • Perform each operation…
  • Perform each operation…
  • Complex Fractions (p. 33) 1 3 2 x x
  • Complex Fractions (p. 33) k k 5 1 5 6
  • Classwork / Homework • Page 34 1 – 45 (every other odd) 47, 55, 58 ...Ask questions if you have „em! ...And review factoring!