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Question 1

Question 1. Which is an example of a rational expression? A. ½ B. 5 C. D. None of the above. Incorrect. Think about what a rational expression needs to have in it. Try again!. Incorrect. Try again!. Correct!. Next Question!. Incorrect. Try again, there is one listed. Try again!.

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Question 1

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  1. Question 1 Which is an example of a rational expression? • A. ½ • B. 5 • C. • D. None of the above

  2. Incorrect • Think about what a rational expression needs to have in it. • Try again!

  3. Incorrect • Try again!

  4. Correct! • Next Question!

  5. Incorrect • Try again, there is one listed. • Try again!

  6. Question 2 When simplifying rational expressions, we can only can out _____________________. • A. Factors • B. Terms • C. Variables • D. Coefficients

  7. Correct! • Move on to the next question

  8. Incorrect • Terms are separated by addition and subtraction. Remember that division can only undo multiplication. • Try again.

  9. Incorrect • We may be able to cancel out variables if they are written using multiplication. • Try again

  10. Incorrect • We can try to simplify or reduce coefficients, as long as they are written with multiplication. • Try again

  11. Question 3 • Simplify the expression • A. • B. • C. Cannot be simplified • D.

  12. Incorrect • Check where the 2x was located before you cancelled anything. • Try again

  13. Incorrect • Remember to cancel out any variables that you can • Try again

  14. Incorrect • There is a way to reduce the coefficients and cancel out some variables • Try again

  15. Correct • Next question please!

  16. Question 4 • Simplify the expression • A. • B. • C. • D. Cannot be simplified

  17. Incorrect • Check again. You can only cancel out factors (things attached with multiplication). Is the x in the top a factor? • Try again

  18. Incorrect • Check again. You can only cancel out factors (things attached with multiplication). Is the x in the top a factor? • Try again

  19. Incorrect • Where did the x on bottom go? • Try again

  20. Correct! • Try the next question!

  21. Question 5 • Simplify the expression • A. • B. • C. • D.

  22. Incorrect • Check the way that you factored the bottom • Try again!

  23. Correct • Good work! Next question!

  24. Incorrect • Check the number of factors that you can cancel in this problem. • Try again!

  25. Incorrect • Did you forget to factor? • Try again!

  26. Question 6 • Simplify the expression • A. • B. • C. • D.

  27. Incorrect • Did you use the kick out method? Remember that this doesn’t work if you have a GCF… • Try again

  28. Incorrect • You’re missing some factors… Did you have any GCFs? • Try again

  29. Correct • Now let’s try some multiplication! 

  30. Incorrect • Did everything else cancel? • Try again

  31. Question 7 • Simplify the expression • A. • B. • C. • D.

  32. Incorrect • You forgot to simplify • Try again

  33. Incorrect • Check to see if you had the same number of x’s in the top and bottom. If not, they won’t all cancel out • Try again

  34. Correct! • Now let’s try division!

  35. Incorrect • You can simplify like this if you’d like. However, you still need to do the multiplication • Try again

  36. Question 8 • Simplify the expression • A. • B. • C. • D.

  37. Incorrect • You multiplied straight across. This is a division problem so you can’t multiply right away. • Try again

  38. Correct! • Nice job! Next question.

  39. Incorrect • You are right so far… now you need to simplify. • Try again

  40. Incorrect • You multiplied the top and bottom by 7x. • Try again

  41. Question 9 • Simplify the expression • A. • B. • C. • D. I need a hint!

  42. Correct • Muy bien!

  43. Incorrect • You need to factor the top and bottom and simplify • Try again

  44. Incorrect • Can you factor anything else and simplify even more? • Try again

  45. Here’s a hint… • Factor each part first. Now multiply across (don’t distribute) and cancel out common factors. • Try again

  46. Question 10 • Simplify the expression • A. • B. • C. • D.

  47. Incorrect • You tried to multiply the bottom, you need to keep it factored and cancel out common factors. Try again

  48. Incorrect • Don’t forget to simplify! • Try again

  49. Incorrect • Can you cancel out the x’s here? • Try again

  50. Correct • WOO! Next question!

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