Quadratic Functions Vocabulary .

1. Axis of symmetry:

1.1. Is the line through the vertex of a parabola that divides the parabola into two congruent halves.

2. Standard form

2.1. A way of writing down very large or very small numbers easily

3. Minimum Value

3.1. When a parabola opens upward, the y-value of the vertex is the minimum value.

4. Maximum Value

4.1. When a parabola opens downward, the y-value of the vertex is the maximum value.

5. Quadratic Function

5.1. A function that can be written in the form f(x)=a(x-h)^2 + k (a not equal to 0)

6. Parabola

6.1. The parent function f(x)=x^2 is a U-shaped curved.

7. Vertex of a parabola

7.1. The lowest or highest point of a parabola

8. Zero of a function

8.1. For the function f, any numberx such that f(x)=0

9. Root of an equation

9.1. Any value of the variable that makes the equation true

10. Trinomial

10.1. A polynomial with three terms.

11. Binomial

11.1. A polynomial with two terms

12. Completing the square

12.1. A process used to form a perfect-square trinomial.

13. Imaginary unit

13.1. The unit in the imaginary number system.

14. Radical Funtion

14.1. A function whole rule contains a variable within a radical

15. Y-Intercept

15.1. The point where the parabola crosses the y-axis

16. Domain

16.1. All the x values in the graph

17. Range

17.1. all the y values in the graph

18. Factoring

18.1. A method for simplifying bionomials

19. Vertex

19.1. The high endpoint of the parabola

20. Polynomials

20.1. Quadratics with multiples terms