Finding the y intercept of a quadratic function

Parabola 101: Finding y intercepts of quadratic functions 
  • DESMOS File
  • this file will find the y intercept of a quadratic function
  • this file will find the y intercept of a quadratic function in each of the following forms 
    • standard form
    • intercept form
    • vertex form
    • factored form
  • to find the y intercept of any function replace x with 0 and evaluate
Standard Form ONLY
Parabola 101: Finding y intercepts of quadratic functions 
  • DESMOS File
  • this file will find the y intercept of a quadratic function
  • this file will find the y intercept of a quadratic function in the following form
    • standard form​
  • to find the y intercept of any function replace x with 0 and evaluate

Intercept Form ONLY

Parabola 101: Finding y intercepts of quadratic functions 
  • DESMOS File
  • this file will find the y intercept of a quadratic function
  • this file will find the y intercept of a quadratic function in the following form 
    • intercept form
  • to find the y intercept of any function replace x with 0 and evaluate

Vertex Form Only

Parabola 101: Finding y intercepts of quadratic functions 
  • DESMOS File
  • this file will find the y intercept of a quadratic function
  • this file will find the y intercept of a quadratic function in the following form 
    • vertex form
  • to find the y intercept of any function replace x with 0 and evaluate

Factored Form ONLY

Parabola 101: Finding y intercepts of quadratic functions 
  • DESMOS File
  • this file will find the y intercept of a quadratic function
  • this file will find the y intercept of a quadratic function of the following form
    • ​factored form
  • to find the y intercept of any function replace x with 0 and evaluate
Finding the Vertex of a Quadratic Function

Standard Form ONLY

Intercept Form ONLY

 Vertex Form ONLY

Factored Form ONLY

Finding Axes of Symmetry of a Quadratic Function

Standard Form ONLY

Intercept Form ONLY

 Vertex Form ONLY

Factored Form ONLY
This is a link to Desmos Tutorial
This is a link to Desmos Geometry Tutorial
This program has yet to develop a save feature, but you can copy and paste links.
This is a link to Desmos Teacher Website
This is a beta program still in development, so no tutorials yet

Desmos User Guide