Brian McLogan
ACT SAT Prep How to determine which equation represents the graph of a parabola
ACT SAT Prep How to determine which equation represents the graph of a parabola
Khan Academy
Khan Academy: Algebra: Quadratic Functions 3
Video graphing a parabola by plotting the roots, vertex and axis of symmetry. Roots of the quadratic function are found by factoring. Vertex of the parabola is found by three different methods: taking the midpoint of the roots, finding...
Khan Academy
Khan Academy: Algebra: Quadratic Functions 1
Video graphing a quadratic function by evaluating it for seven different values and plotting the resulting points. [4:04]
Khan Academy
Khan Academy: Algebra: Graphs of Square Root Functions
Video giving an overview of the square root sign. Positive values are then chosen to evaluate the basic quadratic and square root functions, the points are graphed, and the graphs are compared. Graphs are also created with an online...
Sophia Learning
Sophia: Width in Parabolas: Lesson 4
In this lesson the width of the graph of parabola and its relationship to the equation of the parabola are discussed. It is 4 of 5 in the series titled "Width in Parabolas."