Subtract digit
Do Y
Name
numbe
☺ Do You UNDERSTAND?
1. ? ESSENTIAL QUESTION How does
adding or subtracting polynomials compare
to adding or subtracting integers?
2. Communicate Precisely How does the
definition of the prefixes mono-, bi-, and tri-
help when naming polynomials? © MP.6
3. Vocabulary Describe the relationship
between the degree of a monomial and the
standard form of a polynomial.
Write
8. 2y
9. 3x
Simplit
10. (X
11. (3)
12. AS
4. Use Structure Explain why the sum x + x is
equal to 2x instead of x© MP.7
5. Error Analysis Rebecca says that all
monomials with the same degree are like
terms. Explain Rebecca's error. © MP3
264 TOPIC 7 Polynomials
Polynomials and Factoring

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.