The area of a rectangular door is given by the trinomial
The door’s width is
What is the door’s length?
To find : the door’s length.
Answer to Problem 42P
Explanation of Solution
Given information: The area of a rectangular door is given by the trinomial
Calculation:
We will factorize the polynomial for the area of the rectangular painting by splitting the midle term into two terms whose sum is
Therefore, by splitting the middle term , we get
We know that area of a rectangle is product of its length and width.
Therefore, length of the door is the ratio of its area to its width.
length
Thus, length of the door is
Chapter 8 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
Additional Math Textbook Solutions
Intermediate Algebra for College Students (7th Edition)
A Graphical Approach to College Algebra (6th Edition)
College Algebra (7th Edition)
Intermediate Algebra (7th Edition)
Algebra and Trigonometry (6th Edition)
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education