equations of tangent lines 247 videos

Three Undefined Terms: Point, Line, and Plane
Geometry Geometry Building Blocks
How to describe and label point, line, and plane. How to define coplanar and collinear.
point line plane coplanar collinear 
Writing an Equation to Describe Pictures
Algebra Graphs and Functions
How to write an equation to describe a set of pictures.
equation pattern slope y intercept 
Solving Systems of Equations using Substitution
Algebra Solving Systems of Equations
How to solve a system of equations using substitution.
system of equations solution substitution 
Angles in Semicircles and Chords to Tangents
Geometry Circles
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.
inscribed angle semicircle tangent chord intercepted arc 
Inconsistent and Dependent Systems of Equations
Algebra Solving Systems of Equations
How to identify a system of equations that is inconsistent or dependent.
system of equations solution parallel dependent inconsistent 
Solving Exponential Equations with the 'Same' Base
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to solve an exponential equation where the bases are the same.
solving exponential equations bases equal 
Solving Exponential Equations with the 'Same' Base
Precalculus Exponential and Logarithmic Functions
How to solve an exponential equation where the bases are the same.
solving exponential equations bases equal 
Solving Multistep Equations
Algebra Solving Equations
How to solve multistep equations.
expressions equations solutions implying like terms combining like terms 
Solving a Logarithmic Equation with Multiple Logs
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to solve a logarithmic equation by condensing one, or both, sides.
log equation logarithmic equation logarithmic form exponential form condense 
Solving a Logarithmic Equation with Multiple Logs
Precalculus Exponential and Logarithmic Functions
How to solve a logarithmic equation by condensing one, or both, sides.
log equation logarithmic equation logarithmic form exponential form condense 
Cyclic Quadrilaterals and Parallel Lines in Circles
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.
inscribed angles cyclic quadrilaterals parallel lines alternate interior angles 
Transforming the Tangent Graph
Precalculus Trigonometric Functions
How to graph y = tan(q) for one or more periods.
sine cosine tangent opposite angle identities intercepts asymptotes periodicity period 
Intercepts and Asymptotes of Tangent Functions
Precalculus Trigonometric Functions
How to find the xintercepts and vertical asymptotes of the graph of y = tan(q).
sine cosine tangent zeros x intercepts vertical asymptotes 
Transforming the Tangent Graph
Trigonometry Trigonometric Functions
How to graph y = tan(q) for one or more periods.
sine cosine tangent opposite angle identities intercepts asymptotes periodicity period 
Intercepts and Asymptotes of Tangent Functions
Trigonometry Trigonometric Functions
How to find the xintercepts and vertical asymptotes of the graph of y = tan(q).
sine cosine tangent zeros x intercepts vertical asymptotes 
Standard Form of Linear Equations
Algebra Linear Equations and Their Graphs
How to determine what form an equation is written in.
standard form point slope form slope intercept form equation coefficient 
Solving a Rational Equation for a parameter
Algebra 2 Rational Expressions and Functions
How to solve a simple rational equation for a parameter.
rational equation parameter variable lcd least common denominator 
Solving Systems of Equations using Elimination
Algebra Solving Systems of Equations
How to solve a system of equations using elimination.
system of equations coefficient elimination additive inverse 
Graphing Lines using Intercepts
Algebra Linear Equations and Their Graphs
How to graph a line using the x and y intercepts.
x intercept y intercept standard form 
Parallel and Perpendicular Lines
Algebra Linear Equations and Their Graphs
How to determine whether lines are parallel, perpendicular, or neither.
parallel perpendicular point slope form intersect right angle