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Eric Fang Period 2

Chapter 10.6 Solving Rational Equations. Eric Fang Period 2. Pg. 453, Problem 34. Solve. LCM = y^2 – 9 so times equation by y^2 - 9 . Collect like terms. Simplify and set the equation to zero. Next Slide. Pg. 453, Problem 34 Cont’. Factor out the trinomial.

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Eric Fang Period 2

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  1. Chapter 10.6 Solving Rational Equations Eric Fang Period 2

  2. Pg. 453, Problem 34 Solve LCM = y^2 – 9 so times equation by y^2 - 9 Collect like terms Simplify and set the equation to zero Next Slide

  3. Pg. 453, Problem 34 Cont’ Factor out the trinomial Using the Principle of Zero, the answer is 2 and 3. However, through checking, 3 is a extraneous and thus is crossed out. So the answer is 2

  4. Pg. 454, Problem 35 Solve. LCM is y^2 – 4 so times equation by y^2 - 4 Collect like terms Simplify Next Slide

  5. Pg. 454, Problem 35 Cont’ Simplify as stated last slide So y = 5

  6. Tips For better chances of getting these problems correct • Always check your work to see if your solution is an extraneous number. • It‘s better to try to uncover the extraneous solution at the beginning of tackling the problem so you know what numbers to avoid. • Chances are there may be more than one solution. • It is significantly easier if you write out the steps rather than do it all in your head.

  7. The End On the other hand, my resources come from the textbook, pg. 451 – 454.

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