• #### Vertical Angles - Concept

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to define and identify vertical angles.
• #### Infinite Limits; Vertical Asymptotes - Concept

##### Math›Calculus›Limits and Continuity
How to use one-sided limits to find a vertical asymptote.
• #### Horizontal and Vertical Lines - Problem 1

##### Math›Pre-Algebra›Graphing in Two Dimensions
Making a table and graph for vertical and horizontal lines
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• #### Horizontal and Vertical Lines - Concept

##### Math›Pre-Algebra›Graphing in Two Dimensions
Equations and slopes of horizontal and vertical lines
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• #### Infinite Limits; Vertical Asymptotes - Problem 1

##### Math›Calculus›Limits and Continuity
Finding vertical asymptotes by finding one-sided limits.
• #### Infinite Limits; Vertical Asymptotes - Problem 3

##### Math›Calculus›Limits and Continuity
How to find a vertical asymptote for the graph of a logarithmic function by calculating one-sided limits.
• #### Vertical Angles - Problem 2

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to solve for a variable used to measure vertical angles.
• #### Vertical Angles - Problem 3

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to determine the measure of vertical angles that are supplementary.
• #### Horizontal and Vertical Lines - Problem 2

##### Math›Pre-Algebra›Graphing in Two Dimensions
Writing equations and finding slope for horizontal and vertical lines
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• #### Infinite Limits; Vertical Asymptotes - Problem 2

##### Math›Calculus›Limits and Continuity
How to use an algebraic approach to find one-sided limits of a rational function, and how these limits can be used to find a vertical asymptote.
• #### Vertical Angles - Problem 1

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to find the measure of an angle using the Triangle Angle Sum Theorem and vertical angles.
• #### Vertical and Horizontal Shifts of Quadratic Graphs - Problem 2

How to graph parabolas in vertex form using vertical shifts.
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• #### Vertical and Horizontal Shifts of Quadratic Graphs - Concept

How to graph parabolas with horizontal and vertical shifts without making a table of values.
• #### Vertical and Horizontal Shifts of Quadratic Graphs - Problem

Using horizontal shifts to graph parabolas using transformations.
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• #### Slope - Problem 3

##### Math›Algebra 2›Graphs of Linear Equations
How to find the slope of vertical and horizontal lines.
• #### Asymptotes of Secant, Cosecant, and Cotangent - Concept

##### Math›Precalculus›Trigonometric Functions
How to find the vertical asymptotes of secant, cosecant, and cotangent.
• #### Asymptotes of Secant, Cosecant, and Cotangent - Concept

##### Math›Trigonometry›Trigonometric Functions
How to find the vertical asymptotes of secant, cosecant, and cotangent.
• #### Components of a Force - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the horizontal and vertical components of a force.
• #### Introduction to Rational Functions - Problem 2

##### Math›Precalculus›Polynomial and Rational Functions
How a zero in the denominator does not always signal a vertical asymptote.
• #### Finding the Equation of a Graphed Line - Problem 3

##### Math›Algebra›Linear Equations and Their Graphs
How to write the equations of graphed horizontal and vertical lines.