equations 164 videos

Applied Linear Equations: Distance Problem
Algebra 2 Linear Equations
How to find the speed of transit when the time of two different legs is known.
distance rate time word problem 
Applied Linear Equations: Collection Problem
Algebra 2 Linear Equations
How to solve a word problem about how many dimes and quarters it takes to make a certain denomination.
collection change coins dimes quarter word problem denomination 
Applied Linear Equations: Consecutive Numbers
Algebra 2 Linear Equations
How to solve a problem involving consecutive integers.
consecutive numbers 
Find an Equation for the Sine or Cosine Wave
Trigonometry Trigonometric Functions
How to identify the graph of a stretched cosine curve.
sine cosine period amplitude intercepts turning points 
Find an Equation for the Sine or Cosine Wave
Precalculus Trigonometric Functions
How to identify the graph of a stretched cosine curve.
sine cosine period amplitude intercepts turning points 
Dilations of Quadratic Graphs
Algebra Quadratic Equations and Functions
How to graph parabolas that are wide or skinny or upside down without making a table of values.
dilation vertex quadratic equation coefficient 
Heat of Formation
Chemistry Thermochemistry
How to use heat of formation in thermochemical problems.
heat of formation enthalpy hermochemical equation 
PointSlope Form of a Line
Algebra 2 Graphs of Linear Equations
How to use pointslope form of a line.
point slope form equation of a line 
Dilations of Quadratic Graphs
Algebra 2 Quadratic Equations and Inequalities
How to graph parabolas that are wide or skinny or upside down without making a table of values.
dilation vertex quadratic equation coefficient 
Function Notation
Algebra Graphs and Functions
How to write equations in function notation.
domain range input output function 
Horizontal and Vertical Lines
PreAlgebra Graphing in Two Dimensions
Equations and slopes of horizontal and vertical lines

Solving by Factoring
Algebra 2 Factoring
How to solve trinomial equation by factoring.
solving by factoring 
Graphing a Rational Expression
Algebra 2 Rational Expressions and Functions
How to graph a basic rational equation.
functions function notation difference quotient expanding binomials 
Families of Polar Curves: Roses
Precalculus Polar Coordinates and Complex Numbers
How to describe Roses, the family of curves with equations r=acos(b*theta) or r=asin(b*theta) when b >=2 and is an integer.
polar graph polar equation polar curve roses symmetric about the x axis symmetric about the y axis. 
Solving "Greater Than" Absolute Value Inequalities
Precalculus Linear Equations and Inequalities
How to solve an inequality with an absolute value greater than a number.
absolute value inequality making 2 equations union 
Solving "Less Than" Absolute Value Inequalities
Precalculus Linear Equations and Inequalities
How to solve an inequality with an absolute value less than a number.
absolute value inequality making 2 equations intersection 
Work Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems when 2 people are doing a work job together.
ratio word problem system of equations work