Math Problem Statement

What type of function is x^2 -8x -12

Solution

The given function is:

f(x)=x28x12f(x) = x^2 - 8x - 12

This is a quadratic function because it is a polynomial of degree 2. A quadratic function can generally be written as:

f(x)=ax2+bx+cf(x) = ax^2 + bx + c

where:

  • aa, bb, and cc are constants, and
  • the highest power of xx is 2.

In this case:

  • a=1a = 1 (since the coefficient of x2x^2 is 1),
  • b=8b = -8 (the coefficient of xx),
  • c=12c = -12 (the constant term).

Key Characteristics:

  • The graph of this function is a parabola.
  • Since a=1>0a = 1 > 0, the parabola opens upward.
  • The vertex of the parabola gives the minimum value of the function.

Would you like to explore how to find the vertex or other properties of this function?

Related Questions:

  1. How do you find the vertex of a quadratic function?
  2. What is the axis of symmetry for this quadratic function?
  3. How do you find the roots of a quadratic equation?
  4. What is the discriminant of a quadratic function, and what does it tell us?
  5. How can you graph a quadratic function step-by-step?

Tip: You can rewrite the quadratic function in vertex form by completing the square to find the vertex directly.

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Functions
Polynomials

Formulas

f(x) = ax^2 + bx + c

Theorems

Properties of Quadratic Functions

Suitable Grade Level

Grades 7-9