Algebra 2 Semester 2 Practice Final Summer 13

ID: A
113. ANS:
120
REF: 6-7 Permutations and Combinations
TOP: 6-7 Example 1
114. ANS:
35
KEY: factorial
OBJ: 6-7.1 Permutations
REF: 6-7 Permutations and Combinations
TOP: 6-7 Example 1
KEY: factorial
115. ANS:
s 5 − 25s 4 v + 250s 3 v 2 − 1250s 2 v 3 + 3125sv 4 − 3125v 5
OBJ: 6-7.1 Permutations
REF: 6-8 The Binomial Theorem
TOP: 6-8 Example 2
116. ANS:
−7 2 − 10
REF: 7-3 Binomial Radical Expressions
TOP: 7-3 Example 3
117. ANS:
5x 11 3x
OBJ: 6-8.1 Binomial Expansion and Pascal's Triangle
KEY: Pascal's Triangle | binomial expansion
OBJ: 7-3.1 Adding and Subtracting Radical Expressions
KEY: like radicals | simplifying a radical expression
REF: 7-2 Multiplying and Dividing Radical Expressions OBJ: 7-2.2 Dividing Radical Expressions
TOP: 7-2 Example 4
KEY: simplifying a radical expression | divide radical expressions | rationalize the denominator
118. ANS:
41 + 12 5
REF: 7-3 Binomial Radical Expressions OBJ: 7-3.2 Multiplying and Dividing Binomial Radical Expressions
TOP: 7-3 Example 4
KEY: binomial radical expressions | multiplying binomial radical expressions | simplifying a radical expression
119. ANS:
5x(x + 2)(x – 3)
REF: 6-2 Polynomials and Linear Factors
OBJ: 6-2.1 The Factored Form of a Polynomial TOP: 6-2 Example 2
KEY: factoring a polynomial | polynomial
120. ANS:
3a 4 b 2 3
6a
REF: 7-2 Multiplying and Dividing Radical Expressions OBJ: 7-2.1 Multiplying Radical Expressions
TOP: 7-2 Example 2
KEY: multiplying radical expressions | simplifying a radical expression
18