3.4 Quadratic Functions Notes
3.4 Quadratic Functions Notes 1130-02
Popular in College Algebra
Popular in Math
This 2 page Class Notes was uploaded by Kiana Thompson on Sunday October 4, 2015. The Class Notes belongs to 1130-02 at University of Tennessee - Chattanooga taught by John Graef in Summer 2015. Since its upload, it has received 90 views. For similar materials see College Algebra in Math at University of Tennessee - Chattanooga.
Reviews for 3.4 Quadratic Functions Notes
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 10/04/15
College Algebra Week 7 Notes Quadratic Functions Quadratic functions can be written in the form fx ax2 bx c a 0 Dissecting 1 If a gt 0 positive the parabola opens up If a lt 0 negative the parabola opens down 2 The Vertex the center point is the highest or lowest on the function depending on whether the parabola opens up or down Finding the vertex if the function is in standard form fx ax2 bx c i9 i9 b i9 Vertex za f 2a ie x 26 and yf 2a b 3 Axis of Symmetry x x value of vertex ie x 2a 4 The y intercept is c 5 The x intercepts are found when y O O ax2 bx c 6 Find the maximum value if it exists or the minimum value if it exists of the function The y value of the vertex will be either the maximum or minimum value of the function depending on which direction the parabola opens 7 Find the domain input values and range output values EXAMPLES fxx2 2x 3 a lb 2C 3 Positive or negative POSITIVE GRAPH OPENS UP Find vertex m 5 1 X 12 21 3 4 y VERTEX 1 4 AXis of symmetry X 1 The y intercept y 0 3 The X intercepts X2 2X 3 factor X 3 X1 X 3O amp X1O X 3 amp X 1 Find maxmin value 1 4 Minimum Value NO Maximum Find domain amp range D oo w R 3949 OO
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'