# Are quadratic function polynomial functions?

## Are quadratic function polynomial functions?

A quadratic function is a second degree polynomial function. The general form of a quadratic function is this: f (x) = ax2 + bx + c, where a, b, and c are real numbers, and a≠ 0.

How do you know if a quadratic function is maximum or minimum?

Determine whether the function will have a minimum or a maximum depending on the coefficient of the x^2 term. If the x^2 coefficient is positive, the function has a minimum. If it is negative, the function has a maximum.

### What is the minimum value of a quadratic polynomial?

If your quadratic equation has a positive a term, it will also have a minimum value. You can find this minimum value by graphing the function or by using one of the two equations. If you have the equation in the form of y = ax^2 + bx + c, then you can find the minimum value using the equation min = c – b^2/4a.

How do you find the maximum value of a quadratic polynomial?

If you are given the formula y = ax2 + bx + c, then you can find the maximum value using the formula max = c – (b2 / 4a). If you have the equation y = a(x-h)2 + k and the a term is negative, then the maximum value is k.

#### Is quadratic and polynomial the same?

In algebra, a quadratic function, a quadratic polynomial, a polynomial of degree 2, or simply a quadratic, is a polynomial function with one or more variables in which the highest-degree term is of the second degree.

Because the quadratic equation involves only one unknown, it is called “univariate”. The quadratic equation contains only powers of x that are non-negative integers, and therefore it is a polynomial equation.

## What is the maximum point of a quadratic function?

One important feature of the graph is that it has an extreme point, called the vertex. If the parabola opens up, the vertex represents the lowest point on the graph, or the minimum value of the quadratic function. If the parabola opens down, the vertex represents the highest point on the graph, or the maximum value.

What is the maximum value of a polynomial?

Use the formula -b/(2a) to find the x-value for the maximum. For example, if your polynomial was -3x^2 + 12x + 5, you would use -3 for a and 12 for b and get 2. Plug the x-value found in step 3 into the original polynomial to calculate the maximum value of the polynomial.

### What is a polynomial function is?

A polynomial function is a function that involves only non-negative integer powers or only positive integer exponents of a variable in an equation like the quadratic equation, cubic equation, etc. For example, 2x+5 is a polynomial that has exponent equal to 1.