Math Problem Statement
The area of a rectangular carpet is 10x2−3x−27 . The length of the carpet is 5x−9 yards. Complete the statement to describe the width of the rectangle.
The width of the rectangle is
Solution
We know the area of the rectangular carpet is given by the expression , and the length is . To find the width of the rectangle, we can use the formula for the area of a rectangle:
Let be the width. Therefore, we have:
To solve for , we divide both sides of the equation by :
Now, we will perform polynomial division to simplify the expression for the width.
Step 1: Polynomial division of by
- Divide the first term:
- Multiply by to get
- Subtract from , which leaves us with:
- Divide the first term:
- Multiply by to get
- Subtract from , and the remainder is 0.
Thus, the width of the rectangle is:
Final Answer:
The width of the rectangle is yards.
Would you like more details or have any questions?
Related questions:
- How do you factor a quadratic expression like ?
- What is the process of polynomial division, and how is it used?
- Can the area formula for a rectangle be applied to other shapes with known dimensions?
- How can you check if a division of polynomials was performed correctly?
- How does the quadratic nature of the area expression affect the problem's complexity?
Tip: When performing polynomial division, carefully align terms of the same degree to avoid errors in subtraction and simplification!
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Math Problem Analysis
Mathematical Concepts
Algebra
Polynomial Division
Quadratic Equations
Formulas
Area = Length × Width
Polynomial division
Theorems
Polynomial Division Theorem
Suitable Grade Level
Grades 9-10
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