257 Videos for "lines"

Proportional Segments Between Parallel Lines  Concept
Math › Geometry › Similarity
How to prove two triangles are similar using a line parallel to a base. 
Parametrizing a Line Segment  Concept
Math › Precalculus › Vectors and Parametric Equations
How to write the parametric equations of a line segment that goes from point A to point B. 
Standard Form of a Line  Problem 1
Math › Algebra 2 › Graphs of Linear Equations
How to find the equation of a line in standard form given the slope and a point. 
Constructing a Perpendicular at a Point on a Line  Problem 1
Math › Geometry › Constructions
How to construct a square if the perimeter of the square is given as a line segment. 
Standard Form of a Line  Problem 2
Math › Algebra 2 › Graphs of Linear Equations
How to find the intercepts of a line in standard form. 
Standard Form of a Line  Concept
Math › Algebra 2 › Graphs of Linear Equations
How to use standard form of a line. 
PointSlope Form of a Line  Concept
Math › Algebra 2 › Graphs of Linear Equations
How to use pointslope form of a line. 
Proportional Segments Between Parallel Lines  Problem 1
Math › Geometry › Similarity
How to find a missing length in a triangle cut by a line parallel to a base. 
Angle Inclination of a Line  Problem 2
Math › Precalculus › Advanced Trigonometry
How to find the angle of inclination of a line. 
Lines in Polar Coordinates  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the polar equation of a line through the origin (or pole). 
SlopeIntercept Form of a Line  Concept
Math › Algebra 2 › Graphs of Linear Equations
How to graph a line in slopeintercept form. 
The Vector Equation of a Line  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to write the vector equation of a line segment given its endpoints. 
Proportional Segments Between Parallel Lines  Problem 2
Math › Geometry › Similarity
How to find missing lengths created by two parallel lines passing through a triangle. 
Parallel and Perpendicular Lines  Problem 1
Math › Algebra › Linear Equations and Their Graphs
How to write the equation of a line parallel to a given line through a given point. 
Duplicating a Line Segment  Concept
Math › Geometry › Constructions
How to duplicate a line segment using a compass and straightedge. 
Constructing Parallel Lines  Concept
Math › Geometry › Constructions
How to construct parallel lines using three different methods. 
Finding the Slope of a Line from 2 Points  Problem 3
Math › Algebra › Linear Equations and Their Graphs
How to find the slope of a horizontal line using 2 points. 
SlopeIntercept Form of a Line  Problem 1
Math › Algebra 2 › Graphs of Linear Equations
How to find the equation of a line in slopeintercept form given the slope and yintercept. 
SlopeIntercept Form of a Line  Problem 3
Math › Algebra 2 › Graphs of Linear Equations
How to find the equation of a line in slopeintercept form given two points. 
PointSlope Form of a Line  Problem 2
Math › Algebra 2 › Graphs of Linear Equations
How to find the equation of a line in pointslope form given two points.