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

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

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Incorrect

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Correct! Next Question!

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

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

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Correct! Move on to the next question

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

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

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

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

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

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

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

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Correct Next question please!

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

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

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

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Incorrect Where did the x on bottom go? Try again

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Correct! Try the next question!

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

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Incorrect Check the way that you factored the bottom Try again!

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Correct Good work! Next question!

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

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Incorrect Did you forget to factor? Try again!

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

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

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

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Correct Now let’s try some multiplication!

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Incorrect Did everything else cancel? Try again

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

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Incorrect You forgot to simplify Try again

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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

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Correct! Now let’s try division!

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

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

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

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Correct! Nice job! Next question. Nice job! Next question

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

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

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

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Correct Muy bien!

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

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

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

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

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

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Incorrect Don’t forget to simplify! Try again

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

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Correct WOO! Next question!

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Question 11 Simplify the expression A. B. C. D.

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Incorrect Check your denominator Try again

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Correct Good work! Only a few more questions!

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Incorrect You’re on the right track. Keep simplifying Try again

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Incorrect You can only cross multiply across an equal sign. Try again

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Question 12 Simplify the expression A. B. C. D.

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Incorrect You can’t add straight across Try again

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Incorrect You forgot to multiply the numerators when you were getting a common denominator Try again

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Incorrect Don’t forget to simplify Try again

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Correct Try the next question

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Question 13 Simplify the expression A. B. C. D.

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Incorrect You got a common denominator by adding to the top and bottom. This will change the fraction. Try multiplying by something Try again!

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Incorrect You are half way there. Keep going! Try again!

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Incorrect You cancelled out more than you should have. Try again!

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Correct Only one more question!

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Question 14 Simplify the expression A. B. C. D.

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Correct! Awesome! Turn your paper in!

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Incorrect You FOILed incorrectly Try again!

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Incorrect You can’t cancel out until you have written the numerator in factored form. Try again!

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Incorrect You made two mistakes. First, you subtracted the numerators before you had a common denominator. Secondly, you multiplied the denominator incorrectly. Try again!

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Fractions Just the basics. Fractions This is the easiest operation! 1. Multiply the numerators. 2. Multiply the denominators. 3. Simplify if necessary.

Fractions Just the basics. Fractions This is the easiest operation! 1. Multiply the numerators. 2. Multiply the denominators. 3. Simplify if necessary.

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