# line segment   84 videos

• #### Constructing a Median

##### GeometryConstructions

How to define a median in a triangle.

midpoint vertex segment median
• #### Constructing a Triangle Midsegment

##### GeometryConstructions

How to define a midsegment in a triangle.

midpoint segment median
• #### Scatterplots and Correlations

##### AlgebraIntroduction to Statistics

How to identify positive correlations, negative correlations, or no correlation between two variables.

scatterplot correlation trend line line of best fit
• #### The Midpoint and Distance Formulas in 3D

##### PrecalculusVectors and Parametric Equations

How to derive the formula for the midpoint of a segment in three dimensions.

position vectors the vector from point a to point b the midpoint formula vector addition scalar multiplication
• #### Synthesizer: Voting Rights Time line

##### AP US GovernmentAP US Government Review
Using a graphic organizer to review voting rights
• #### Vertical Angles

##### GeometryReasoning, Diagonals, Angles and Parallel Lines

How to define and identify vertical angles.

vertex intersecting lines congruent
• #### Corresponding Angles

##### GeometryReasoning, Diagonals, Angles and Parallel Lines

How to define corresponding angles and their special properties.

parallel lines angles congruence
• #### The Geometric Representation of Vectors

##### PrecalculusVectors and Parametric Equations

How to understand what vectors are, and how they can be represented geometrically.

Magnitude Direction Scalar Vector Directed Line Segment Initial Point Terminal Point
• #### Distance Formula

##### GeometryPythagorean Theorem

How to derive the equation for the distance between two points using the Pythagorean Theorem.

distance coordinate plane ordered pair segment
• #### Distance Formula

##### TrigonometryPythagorean Theorem

How to derive the equation for the distance between two points using the Pythagorean Theorem.

distance coordinate plane ordered pair segment
• #### Graphing Equations by Making a Table of Values

##### Pre-AlgebraGraphing in Two Dimensions

Graphing a line by making a table of values

• #### Special Isosceles Triangle Properties

##### GeometryTriangles

How to identify a segment from the vertex angle in an isosceles triangle to the opposite side.

isosceles triangle angle bisector altitude median
• #### Definitions and Applications of Absolute Value

##### AlgebraAbsolute Value

What is absolute value?

absolute value number line distance
• #### Rays

##### GeometryGeometry Building Blocks

How to identify, define, and label rays and opposite rays.

ray line endpoint opposite rays
• #### Finding the Slope of a Line from 2 Points

##### AlgebraLinear Equations and Their Graphs

How to find the slope if you're given 2 points.

slope point ratio
• #### Point-Slope Form of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to write the equation of a line in point-slope form.

slope equation
• #### Comparing Fractions

##### Pre-AlgebraFractions and MIxed Numbers

Comparing fractions using < or > and ordering them on the number line

• #### Addition and Subtraction with Decimals

Adding or subtracting decimals by vertically lining up the zeros

• #### Graphing One Variable Inequalities

##### Pre-AlgebraSolving Equations and Inequalities

Graphing one variable inequalities on a number line

• #### Polygons

##### GeometryGeometry Building Blocks

How to define a polygon, how to distinguish between concave and convex polygons, how to name polygons.

polygon closed figure side segment vertex convex concave diagonal