Crash Course: Study Hall Algebra #10 - What Does "Graphing an Equation" Mean?
Crash Course

If you’ve had much experience with Algebra and Geometry, you know that graphs are a thing.

Crash Course: Study Hall Algebra #11 - Graphing the Quadratic
Crash Course

In this episode of Study Hall: Algebra, James talks about how graphing the Quadratic Equation works.

Mathalicious: Wiibates
Mathalicious

In this lesson, students use linear and quadratic models to analyze and discuss the relationship between the price of a Wii U console and profits for Nintendo.

youcubed: Bicycle Path
youcubed (Stanford University)

This task launches with a story retold by Ben Orlin about the famous detective Sherlock Holmes.

youcubed: Curved Shapes
youcubed (Stanford University)

This activity is an occasion for creative and intuitive thinking about the areas of curves, that could be the opportunity for the learning of Reimann Sums and definite integrals. 

Khan Academy: Integral Calculus
Khan Academy

How do you find the area under a curve? What about the length of any curve? Is there a way to make sense out of the idea of adding infinitely many infinitely small things?

Illuminations: Hanging Chains
Illuminations (National Council of Teachers of Mathematics)

Both ends of a small chain will be attached to a board with a grid on it to (roughly) form a parabola.

NRICH: Parabolic Patterns
NRICH (University of Cambridge)

The illustration shows the graphs of fifteen functions. Two of them have equations y=x^2 and y=-(x-4)^2. Find the equations of all the other graphs.

NRICH: Inside a Parabola
NRICH (University of Cambridge)

A triangle of area 64 square units is drawn inside the parabola y=k2−x2. Find the value of k.

GeoGebra: Mean Value Theorem - Quick Intuitive Tests
GeoGebra

Even though no law enforcement officer ever saw John traveling, does the state police department have the right to issue him a ticket?

Inside Mathematics: 9th - 12th Grade - Newcomer ELL Algebra - Graphing Quadratics
Inside Mathematics (The University of Texas at Austin, Charles A. Dana Center)

In this lesson, we are working on reasoning and multiple representations around parabolas.