257 Videos for "lines"

PointSlope Form of a Line  Problem 1
Math › Algebra 2 › Graphs of Linear Equations
How to find the equation of a line in pointslope form given a point and the slope. 
SlopeIntercept Form of a Line  Problem 2
Math › Algebra 2 › Graphs of Linear Equations
How to find the equation of a line in slopeintercept form given the slope and a point. 
Finding the Slope of a Line from an Equation  Problem 3
Math › Algebra › Linear Equations and Their Graphs
How to find the slope from the equation of a horizontal line. 
Finding the Slope of a Line from an Equation  Problem 4
Math › Algebra › Linear Equations and Their Graphs
How to find the slope from the equation of a vertical line. 
Finding the Slope of a Line from 2 Points  Problem 4
Math › Algebra › Linear Equations and Their Graphs
How to find the slope of a vertical line using 2 points. 
Finding the Slope of a Line from an Equation  Problem 3
Math › Algebra 2 › Graphs of Linear Equations
How to find the slope from the equation of a horizontal line. 
Three Undefined Terms: Point, Line, and Plane  Concept
Math › Geometry › Geometry Building Blocks
How to describe and label point, line, and plane. How to define coplanar and collinear. 
Parallel and Perpendicular Lines  Problem 2
Math › Algebra › Linear Equations and Their Graphs
How to write the equation of a line perpendicular to a given line through a given point. 
Parallel and Perpendicular Lines  Problem 3
Math › Algebra › Linear Equations and Their Graphs
How to write the equation of a line perpendicular to a given line that is not in slope intercept form. 
Finding the Slope of a Line from an Equation  Problem 4
Math › Algebra 2 › Graphs of Linear Equations
How to find the slope from the equation of a vertical line. 
Cyclic Quadrilaterals and Parallel Lines in Circles  Concept
Math › Geometry › Circles
How to prove that opposite angles in a cyclic quadrilateral are congruent; how to prove that parallel lines create congruent arcs in a circle. 
Constructing Parallel Lines  Problem 1
Math › Geometry › Constructions
How to construct parallel lines using corresponding angles. 
Constructing Parallel Lines  Problem 2
Math › Geometry › Constructions
How to construct parallel lines using alternate interior angles. 
Duplicating a Line Segment  Problem 2
Math › Geometry › Constructions
How to construct a triangle given three line segments. 
Lines in Polar Coordinates  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to interpret the polar equation of a line. 
Constructing Parallel Lines  Problem 3
Math › Geometry › Constructions
How to construct parallel lines using alternate exterior angles. 
Lines in Polar Coordinates  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find equations of a line tangent to a circle in polar and rectangular coordinates. 
Graphing Lines using Intercepts  Concept
Math › Algebra › Linear Equations and Their Graphs
How to graph a line using the x and y intercepts. 
Lines in Polar Coordinates  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the polar equation of any line.