Math Problem Statement

Formulate two (2) real-life problems involving factors of polynomials and solve the problems you formulate accurately and show the complete solution.

Solution

Your task involves formulating two real-life problems related to factoring polynomials and solving them completely. Let me help you with both parts.

Problem 1: Area of a Rectangular Garden

A gardener wants to build a rectangular garden and knows that the total area of the garden will be given by the polynomial expression x2+5x+6x^2 + 5x + 6, where xx represents some measurement of the garden's length in meters. The width of the garden is another factor of the polynomial.

Question: What are the possible dimensions of the garden?

Solution:

We factor the quadratic expression x2+5x+6x^2 + 5x + 6:

x2+5x+6=(x+2)(x+3)x^2 + 5x + 6 = (x + 2)(x + 3)

Thus, the dimensions of the garden are x+2x + 2 meters and x+3x + 3 meters.

Problem 2: Revenue Calculation for a Business

A company’s revenue in dollars is modeled by the polynomial expression x2+7x+10x^2 + 7x + 10, where xx represents the number of units sold.

Question: What are the possible factors that contribute to the company’s revenue?

Solution:

We factor the polynomial x2+7x+10x^2 + 7x + 10:

x2+7x+10=(x+2)(x+5)x^2 + 7x + 10 = (x + 2)(x + 5)

Thus, the factors contributing to the revenue are x+2x + 2 and x+5x + 5, which may represent the pricing model or number of units sold.

Would you like further details or have any specific questions?

Related Questions:

  1. What is the importance of factoring polynomials in real-life applications?
  2. How can we apply polynomial factoring in optimizing construction projects?
  3. Can you formulate a similar problem related to physics or economics involving polynomials?
  4. What are the key techniques to factor a quadratic polynomial quickly?
  5. How does the distributive property relate to factoring polynomials?

Tip:

Always check if the quadratic expression can be factored by looking for factors of the constant term that add up to the middle coefficient.

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Math Problem Analysis

Mathematical Concepts

Algebra
Factoring Polynomials
Quadratic Equations

Formulas

Factoring quadratic expressions (x^2 + bx + c)
Distributive property

Theorems

Factoring Theorem
Zero Product Property

Suitable Grade Level

Grade 8