ComPlete the Square. what term is needed in the resulting in then Perkect Sauare Trinomial? xa-22+?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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**Complete the Square:**

What term is needed in the resulting perfect square trinomial?

\[ x^2 - 2x + \, ? \]

In this exercise, you will determine the term required to complete the square for the quadratic expression \( x^2 - 2x \). Completing the square is a method used to transform a quadratic expression into a perfect square trinomial, which can then be easily factored. 

**Steps to Complete the Square:**

1. **Identify the Coefficient of \( x \):** Take the coefficient of the linear term \( x \) (in this case, \(-2\)) and divide it by 2.
   
2. **Square the result:** Square the number obtained in step 1. 

3. **Add and Subtract this Number:** Add and subtract the squared number from the expression.

In this problem:

\(-2 / 2 = -1\)  
\((-1)^2 = 1\)

Thus, the term needed to complete the square is \(1\). The expression can be rewritten as a perfect square trinomial: 

\[ x^2 - 2x + 1 = (x - 1)^2 \]
Transcribed Image Text:**Complete the Square:** What term is needed in the resulting perfect square trinomial? \[ x^2 - 2x + \, ? \] In this exercise, you will determine the term required to complete the square for the quadratic expression \( x^2 - 2x \). Completing the square is a method used to transform a quadratic expression into a perfect square trinomial, which can then be easily factored. **Steps to Complete the Square:** 1. **Identify the Coefficient of \( x \):** Take the coefficient of the linear term \( x \) (in this case, \(-2\)) and divide it by 2. 2. **Square the result:** Square the number obtained in step 1. 3. **Add and Subtract this Number:** Add and subtract the squared number from the expression. In this problem: \(-2 / 2 = -1\) \((-1)^2 = 1\) Thus, the term needed to complete the square is \(1\). The expression can be rewritten as a perfect square trinomial: \[ x^2 - 2x + 1 = (x - 1)^2 \]
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