Abby notices that for the first twenty perfect​ squares, each square is either a multiple of​ 5, one less than a multiple of​ 5, or one more than a multiple of 5. She writes the following statement.   If n is a natural​ number, then n2 can be written as 5k−​1, ​5k, or 5k+​1, where k is a whole number.   What type of statement did Abby​ make? Has she shown that her statement is true for all values of​ n? Explain.

Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter4: Rational Expressions
Section4.3: Adding And Subtracting Rational Expressions
Problem 70PS
icon
Related questions
Topic Video
Question
Abby notices that for the first twenty perfect​ squares, each square is either a multiple of​ 5, one less than a multiple of​ 5, or one more than a multiple of 5. She writes the following statement.
 
If n is a natural​ number, then
n2
can be written as
5k−​1,
​5k, or
5k+​1,
where k is a whole number.
 
What type of statement did Abby​ make? Has she shown that her statement is true for all values of​ n? Explain.
 
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Propositional Calculus
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, geometry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9781285195728
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
Algebra for College Students
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage