Writing 17x² = 12x In General Quadratic Form

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In the realm of mathematics, particularly within algebra, quadratic equations hold a fundamental position. These equations, characterized by the presence of a squared term, play a crucial role in modeling various real-world phenomena, ranging from projectile motion in physics to optimization problems in economics. To effectively analyze and solve quadratic equations, it's essential to express them in their general quadratic form. This standard form provides a structured framework for identifying coefficients and applying established solution techniques.

Understanding the General Quadratic Form

The general quadratic form of an equation is expressed as:

ax² + bx + c = 0

Where:

  • a, b, and c are constants, with a ≠ 0.
  • x represents the variable.

This form provides a clear and concise representation of the quadratic equation, highlighting the coefficients of each term. The coefficient a corresponds to the squared term (x²), b corresponds to the linear term (x), and c represents the constant term. The condition a ≠ 0 ensures that the equation remains quadratic, as eliminating the squared term would reduce it to a linear equation.

The general quadratic form serves as a foundation for solving quadratic equations using various methods, including factoring, completing the square, and the quadratic formula. By expressing the equation in this standard form, we can readily identify the coefficients and apply these techniques effectively.

Transforming 17x² = 12x into General Form

Now, let's delve into the specific equation provided: 17x² = 12x. Our objective is to rewrite this equation in the general quadratic form, ax² + bx + c = 0. To achieve this, we need to manipulate the equation by performing algebraic operations that rearrange the terms and set one side equal to zero.

The initial equation is:

17x² = 12x

To transform it into general form, we need to move all terms to one side of the equation, leaving zero on the other side. We can accomplish this by subtracting 12x from both sides:

17x² - 12x = 12x - 12x

Simplifying the right side, we get:

17x² - 12x = 0

Now, the equation is in the general quadratic form. Comparing it to the standard form, ax² + bx + c = 0, we can identify the coefficients:

  • a = 17
  • b = -12
  • c = 0

Therefore, the quadratic equation 17x² = 12x can be expressed in general form as 17x² - 12x + 0 = 0, or simply 17x² - 12x = 0.

Significance of the General Form

Expressing a quadratic equation in its general form is not merely a matter of algebraic manipulation; it holds significant importance in various aspects of mathematical analysis and problem-solving. The general form serves as a standardized representation, facilitating clear communication and comparison between different quadratic equations. It also provides a structured framework for applying various solution techniques, such as factoring, completing the square, and the quadratic formula.

Standardization and Communication

The general form ax² + bx + c = 0 provides a common language for discussing and analyzing quadratic equations. By expressing equations in this standard form, mathematicians and students alike can readily identify the coefficients and understand the structure of the equation. This standardization promotes clear communication and avoids ambiguity when discussing quadratic equations.

Application of Solution Techniques

The general form is crucial for applying various methods to solve quadratic equations. Each solution technique relies on the specific arrangement of terms in the general form to effectively isolate the variable and find its values. For instance, the quadratic formula, a powerful tool for solving any quadratic equation, directly utilizes the coefficients a, b, and c from the general form.

Factoring

Factoring involves expressing the quadratic expression as a product of two linear factors. The general form helps in identifying potential factors by examining the coefficients a, b, and c. By strategically factoring the expression, we can reduce the equation to simpler forms, leading to the solutions.

Completing the Square

Completing the square is a technique that transforms the quadratic equation into a perfect square trinomial, making it easier to solve. This method relies on manipulating the general form to create a squared term and a constant term, allowing us to isolate the variable and find its values.

Quadratic Formula

The quadratic formula is a universal solution for any quadratic equation, regardless of its factorability. This formula directly utilizes the coefficients a, b, and c from the general form to calculate the solutions for x. Its power lies in its ability to solve any quadratic equation, providing a reliable and efficient method for finding the roots.

Discriminant Analysis

The discriminant, denoted as Δ, is a crucial component derived from the coefficients in the general form. It is calculated as Δ = b² - 4ac and provides valuable information about the nature of the roots of the quadratic equation. The discriminant can reveal whether the equation has two distinct real roots, one repeated real root, or two complex roots.

  • Δ > 0: The equation has two distinct real roots.
  • Δ = 0: The equation has one repeated real root.
  • Δ < 0: The equation has two complex roots.

By analyzing the discriminant, we gain insights into the solutions of the quadratic equation without actually solving it. This information is particularly useful in applications where the nature of the roots is of primary interest.

Conclusion

Expressing quadratic equations in the general form ax² + bx + c = 0 is a fundamental step in analyzing and solving these equations. This standard form provides a clear representation of the equation, facilitates the application of various solution techniques, and enables the determination of the nature of the roots through discriminant analysis. Mastering the general form is essential for anyone seeking to delve deeper into the world of quadratic equations and their applications.

In the specific case of the equation 17x² = 12x, we successfully transformed it into the general form 17x² - 12x = 0. This transformation allows us to readily apply various techniques to solve for x and gain a comprehensive understanding of the equation's behavior. The general form serves as a cornerstone for further exploration and manipulation of quadratic equations, paving the way for solving complex mathematical problems and modeling real-world scenarios.

By grasping the significance of the general form and its applications, we empower ourselves with the tools to effectively analyze, solve, and interpret quadratic equations, unlocking their potential in various fields of study and practical endeavors.