Concept explainers
The expression for the width
Answer to Problem 15MCQ
The width of the rectangle is
Explanation of Solution
Given:
The length of a rectangle is
Concept Used:
Area of rectangle is
Rules of Addition/ Subtraction:
- Two numbers with similar sign always get added and the resulting number will carry the similar sign.
- Two numbers with opposite signs always get subtracted and the resulting number will carry the sign of larger number.
Rules of Multiplication/ Division:
- The product/quotient of two similar sign numbers is always positive.
- The product/quotient of two numbers with opposite signs is always negative.
Calculation:
In order to find the expression for width of the rectangle as shown below,
Thus, the width of the rectangle is
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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