Question Info

This question is public and is used in 2 tests or worksheets.

Type: Multiple-Choice
Category: Polynomials and Rational Expressions
Level: Grade 11
Standards: HSA-APR.C.4
Author: nsharp1
Last Modified: 21 days ago

View all questions by nsharp1.

Polynomials and Rational Expressions Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

Grade 11 Polynomials and Rational Expressions CCSS: HSA-APR.C.4

Sam claims that for any two consecutive integers, the difference of the larger number squared and the smaller number squared is always odd. He writes an identity he says proves this, which is [math](n+1)^2 - n^2 = 2n-1[/math]. Is this true? If not, choose the reason why.
  1. It is true.
  2. [math]2n-1[/math] is not always an odd number.
  3. It is not an identity.
  4. It is only true for some numbers.
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.