Math Problem Statement
Solution
To solve this problem, let's go through the information provided step-by-step.
Given Information:
- The area of a rectangle is square inches.
- The length of the rectangle is inches more than times its width .
Formulating the Equation:
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Define the Length in Terms of Width: Since the length is inches longer than times the width , we can write:
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Area Formula: The area of a rectangle is given by the formula: Substituting the values we have:
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Answer Choice: Among the options provided, the correct equation to use is: This matches the first option: .
Solving for (Width of the Rectangle):
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Expand the equation:
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Rearrange the equation into standard quadratic form:
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Divide by 2 to simplify:
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Solve this quadratic equation using the quadratic formula: Here, , , and .
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Calculate:
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This gives two solutions: Since width cannot be negative, inches.
Final Answer:
The width of the rectangle is 22 inches.
Would you like further details, or do you have any questions?
Here are some related questions you may find helpful:
- How do you use the quadratic formula to solve other area-related problems?
- What are other ways to solve quadratic equations besides the quadratic formula?
- How does changing the dimensions of a rectangle affect its area?
- What happens if you increase both the length and width by the same factor?
- How can we apply these concepts to solve real-world problems?
Tip: When faced with quadratic equations, always look for simplifications first, like dividing the entire equation by common factors. This makes calculations easier.
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Math Problem Analysis
Mathematical Concepts
Geometry
Algebra
Quadratic Equations
Formulas
Area of a rectangle: A = length × width
Quadratic equation: ax^2 + bx + c = 0
Theorems
Quadratic Formula
Suitable Grade Level
Grades 7-9
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