• #### Geometric Series - Problem 8

##### Math›Algebra 2›Sequences and Series
Using a geometric series to find the total theoretical distance traveled by a bouncing ball.
Tags:
• #### The Circle - Problem 4

##### Math›Precalculus›Equations of Lines, Parabolas and Circles
How to use two endpoints of a diameter to create the equation for a circle.
• #### Constructing a Perpendicular to a Line - Problem 1

##### Math›Geometry›Constructions
How to construct a perpendicular through a point not on a line to a line.
• #### Definitions and Applications of Absolute Value - Concept

##### Math›Algebra›Absolute Value
What is absolute value?
• #### Introduction to Real Numbers - Problem 1

##### Math›Algebra 2›Real Numbers
How to define the absolute value.
• #### Equation of a Circle - Problem 2

##### Math›Geometry›Pythagorean Theorem
How to identify the center and radius of a circle given an equation.
• #### Average Speed

##### Science›Physics›Linear and Projectile Motion
How to calculate average speed.
• #### Scientific Units

##### Science›Physics›Introduction to Physics
How to use and convert scientific units.
• #### Constructing an Angle Bisector - Problem 1

##### Math›Geometry›Constructions
How to construct a 30 degree angle.
• #### Scientific Units

##### Science›Chemistry›Introduction to Chemistry
How to use and convert scientific units.
• #### The Cosine Addition Formulas - Concept

##### Math›Precalculus›Advanced Trigonometry
How to derive the cosine of a difference formula.
• #### The Cosine Addition Formulas - Concept

##### Math›Trigonometry›Advanced Trigonometry
How to derive the cosine of a difference formula.
• #### Locus and Definition of a Circle and Sphere - Concept

##### Math›Geometry›Circles
How to define a circle and a sphere using the word locus.
• #### Chords and a Circle's Center - Problem 1

##### Math›Geometry›Circles
How to find the length of two chords where the length of the perpendicular bisectors are given.
• #### Rate Word Problems - Problem 5

##### Math›Algebra›Word Problems Using Systems of Equations
Solving for time in a distance = rate times time word problem
Tags:
• #### Chords and a Circle's Center - Problem 2

##### Math›Geometry›Circles
How to find the center of a circle given only an arc.
• #### Speed-Instantaneous Speed

##### Science›Physics›Linear and Projectile Motion
Understanding the differences between speed and instantaneous speed.
• #### Triangle Side Inequalities - Problem 1

##### Math›Geometry›Triangles
How to determine whether given side lengths could form a triangle using the triangle side inequalities.
• #### Triangle Side Inequalities - Problem 2

##### Math›Geometry›Triangles
How to determine the range of possible values for the third side of a triangle when given values of the other two.
• #### Constructing an Angle Bisector - Concept

##### Math›Geometry›Constructions
How to define and construct an angle bisector.