3. Find all numbers for which the rational expression is undefined.

4. Solve.

5. Multiply and simplify.

6. Simplify by removing factors of 1.

7. Add. Simplify, if possible.

8. Find the LCM.

9. Subtract. Simplify by removing a factor of 1 when possible.

10. Solve.

11. Add. Simplify, if possible.

12. Divide and simplify.

13. Simplify by removing factors of 1.

14. Subtract. Simplify, if possible.

15. Find the LCM of and

16. Add.

17. Divide and simplify.

18. The speed of train A is 6mph slower than the speed of train B. Train A travels 200 miles in the same time it takes train B to travel 230 miles. Find the speed of each train.
19. Simplify by removing factors of 1.

20. To determine the number of deer in a game preserve, a conservationist catches 357 deer, tags them and lets them loose. Later, 492 deer are caught; 164 of them are tagged. How many deer are in the preserve?
21. The OfficeJet Printer can copy Sue's dissertation in 10 min. The LaserJet printer can copy the same document in 14 min. If the two machines work together, how long would they take to copy the dissertation?
23. Add. Simplify, if possible.

... in which the variable has non-negative integer powers For example P(x) = x^3 + 6x^2 - 8x + 3 A rational expression is a ratio of two polynomial expressions. ...

... 1 ) D) 2x / (x2 - 1 ) E) None of the above 7 The domain of the rational expression resulting from the sum of the two expressions of question 6 above is: A) all ...

... Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. ...

... Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. ...

Reduce each rational expression to lowest terms. Reduce each rational expression to lowest terms. ... Reduce each rational expression to lowest terms. ...

... Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. ...

... For example, we can cancel x in (x[x+1])/(x[x-1]), but we can't cancel 2 in the expression (x+2)/(x-2). Rational Expressions are exhibited. Posting ID: 349473: