Exam (elaborations)
College Algebra 2nd Edition Test Bank
- Course
- Institution
College Algebra 2nd Edition Test Bank
[Show more]
Content preview
,Chapter 0 Review of Prerequisites0.1 Sets and the Real Number Line
0 Concept Connections
Provide the missing information.
1) A is a collection of items called elements.
Answer: set
Type: SA Var: 1
Objective: Concept Connections
2) W = {0, 1, 2, 3, ...} is called the set of numbers.
Answer: whole
Type: SA Var: 1
Objective: Concept Connections
3) N = {1, 2, 3, ...} is called the set of numbers.
Answer: natural
Type: SA Var: 1
Objective: Concept Connections
4) Z = {... , -3, -2, -1, 0, 1, 2, 3, ...} is called the set of .
Answer: integers
Type: SA Var: 1
Objective: Concept Connections
5) A set can be defined using - notation by using a description of the set.
Answer: set, builder
Type: SA Var: 1
Objective: Concept Connections
6) Listing elements in a set within set braces is called the method to define a set.
Answer: roster
Type: SA Var: 1
Objective: Concept Connections
7) Real numbers that can be expressed as a ratio of two integers are called numbers.
Answer: rational
Type: SA Var: 1
Objective: Concept Connections
8) An number is a real number that cannot be expressed as a ratio of two integers.
Answer: irrational
Type: SA Var: 1
Objective: Concept Connections
Page 1
, 9) The statement x < y means that x lies to the of y on the number line.
Answer: left
Type: SA Var: 1
Objective: Concept Connections
10) The of x is denoted by x .
Answer: absolute, value
Type: SA Var: 1
Objective: Concept Connections
11) Write an absolute value expression to represent the distance between a and b on the number line:
.
Answer: a - b or b - a
Type: SA Var: 1
Objective: Concept Connections
12) Given the expression bn, the value of b is called the and n is called the .
Answer: base, exponent or power
Type: SA Var: 1
Objective: Concept Connections
13) The symbol x represents the principal root of x.
Answer: square
Type: SA Var: 1
Objective: Concept Connections
0 5
14) The expression equals , whereas is .
5 0
Answer: 0, undefined
Type: SA Var: 1
Objective: Concept Connections
1 Identify Subsets of the Set of Real Numbers
Determine whether the statement is true or false.
1) 3 N
A) True B) False
Answer: A
Type: BI Var: 10
Objective: Identify Subsets of the Set of Real Numbers
2) 7.5 ∉ Z
A) True B) False
Answer: A
Type: BI Var: 50+
Objective: Identify Subsets of the Set of Real Numbers
Page 2
, 3) 6 ∈ N
A) False B) True
Answer: B
Type: BI Var: 20
Objective: Identify Subsets of the Set of Real Numbers
4) 0.15 ∈ Z
A) False B) True
Answer: A
Type: BI Var: 36
Objective: Identify Subsets of the Set of Real Numbers
2 Use Inequality Symbols and Interval Notation
Write the statement as an inequality.
1) u is at least 10.
A) u < 10 B) u ≤ 10 C) u > 10 D) u ≥ 10
Answer: D
Type: BI Var: 10
Objective: Use Inequality Symbols and Interval Notation
2) The quantity (t + 4) exceeds 31.
A) t + 4 ≤ 31 B) t + 4 < 31 C) t + 4 ≥ 31 D) t + 4 > 31
Answer: D
Type: BI Var: 50+
Objective: Use Inequality Symbols and Interval Notation
Determine whether the statement is true or false.
3) 13 < - 13
A) True B) False
Answer: B
Type: BI Var: 18
Objective: Use Inequality Symbols and Interval Notation
4) -3.51 > -3.51
A) False B) True
Answer: A
Type: BI Var: 50+
Objective: Use Inequality Symbols and Interval Notation
Express the set in interval notation.
5)
-3
A) [-3, ∞] B) [-3, ∞) C) (-∞, -3) D) (-3, ∞)
Answer: D
Type: BI Var: 40
Objective: Use Inequality Symbols and Interval Notation
Page 3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Succeed. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $28.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now