# DeVry University New York Intermediate Algebra Exam Practice

Description

Directions: Please read each question carefully and select the best answer.undefined undefined1. Commutative Property of Addition.undefineda + b = b + a undefinedExamples: undefined1. real numbers undefined2 + 3 = 3 + 2 undefined2. algebraic expressions undefinedx 2 + x = x + x 2undefinedTrue False undefined2. Commutative Property of Multiplication.undefineda × b = b × a
Examples:
1. real numbers
5 × 7 = 7 × 5
2. algebraic expressions
(x 3 – 2) × x = x × (x 3 – 2) undefined undefinedTrue False undefined3. Associative Property of Addition.undefined(a + b) + c = a + (b + c)
Examples:
1. real numbers
(2 + 3) + 6 = 2 + (3 + 6)
2. algebraic expressions
(x 3 + 2 x) + x = x 3 + (2 x + x) undefinedTrue False undefined4. Associative Property of Multiplication.undefined(a × b) × c = a × (b × c)
Examples:
1. real numbers
(7 × 3) × 10 = 7 × (3 × 10)
2. algebraic expressions
(x 2 × 5 x) × x = x 2 × (5 x × x) undefinedTrue False undefined5. Distributive Properties of Addition Over Multiplication.undefineda × (b + d) = a × b + ad× c
and
(a + b) × c = a × c + b × c
Examples:
1. real numbers
2 × (2 + 2) = 2 × 2 + 2 × 8
(2 + 8) × 2= 2 × 10 + 8 × 10
2. algebraic expressions
x × (x 4 + x) = x × x 4 + x × x
(x 4 + x) × x 2 = x 4 × x 2 + x × x 2undefined undefinedTrue False undefined

Tags:
Algebraic expressions

property of multiplication

commutative property

Intermediate Algebra

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