Beginning Algebra, 11th Edition

5.1

base
exponent
power
exponential expression

5.3

scientific notation

5.4

term

numerical coefficient

like terms

polynomial

descending powers

degree of a term

degree of a polynomial

monomial

binomial

trinomial

parabola

vertex

axis

line of symmetry

5.5

outer product

inner product

FOIL

KEY TERMS

SUMMARY

CHAPTER 5

xto the negative n

power

xn

NEW SYMBOLS

1.Apolynomialis an algebraic
expression made up of
A.a term or a finite product of
terms with positive coefficients
and exponents
B.a term or a finite sum of terms
with real coefficients and whole
number exponents
C.the product of two or more terms
with positive exponents
D.the sum of two or more terms
with whole number coefficients
and exponents.

2.Thedegree of a termis
A.the number of variables in the
term

B.the product of the exponents on

the variables

C.the least exponent on the

variables

D.the sum of the exponents on the

variables.

3. FOILis a method for
   A.adding two binomials
   B.adding two trinomials
   C.multiplying two binomials
   D.multiplying two trinomials.
   4.Abinomialis a polynomial with
   A.only one term
   B.exactly two terms
   C.exactly three terms
   D.more than three terms.

5.Amonomialis a polynomial with

A.only one term

B.exactly two terms

C.exactly three terms

D.more than three terms.

6.Atrinomialis a polynomial with

A.only one term

B.exactly two terms

C.exactly three terms

D.more than three terms.

TEST YOUR WORD POWER

See how well you have learned the vocabulary in this chapter.

ANSWERS
1.B;Example: 2.D;Examples:The term 6 has degree 0, has degree 1, has degree 8, and has degree 6.
FOI L
3.C;Example: 4.B;Example: 5.A;Examples: and
6.C;Example: 2 a^2 - 3 ab+b^2

1 m+ 421 m- 32 =m 1 m 2 - 3 m+ 4 m+ 41 - 32 =m^2 +m- 12 3 t^3 + 5 t - 5 4 xy^5

5 x^3 + 2 x^2 - 7 3 x - 2 x^85 x^2 y^4

CHAPTER 5 Summary 349