Below are some problems from your textbook that you can work to prepare for the Unit 3 test. Answers will be posted on this blog at 7:00 PM on Thursday, November 2. Send your questions as a comment to the post with the answer key, not as an e-mail. THIS PROBLEM SET IS NOT A SUBSTITUTE FOR THE STUDY GUIDE. THERE ARE ITEMS ON THE STUDY GUIDE THAT ARE NOT COVERED HERE.
p. 148 Oral Exercises
#2 – The textbook uses “similar monomials” to mean like terms.
In addition to naming the like terms, tell how you know which terms are like terms (go back to the definition of like terms).
#5, 7, 9 – Just state the degree of the entire monomial.
#12, 14, 16 – Rewrite in standard form, if necessary. Then classify each polynomial by degree and number of terms using vocabulary, not numbers.
p. 149 Written Exercises
#43 – Be sure your answer is in standard form.
pp. 153-154 Written Exercises
#20, 34
Also, state the rule for multiplying monomials.
p. 157 Written Exercises
#16, 28, 48
Yes, #48 is a little tougher, but just apply the same Multiplication Laws of Exponents that you used for the first two exercises in this set.
pp. 159-160 Written Exercises
#17, 40
pp. 162-163 Written Exercises
#16, 34 – Again, write answers in standard form
p. 177 Self-Test 3
#3 – Show all four steps as instructed.
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