solving linear equations 216 videos
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Solving Formulas
Geometry Area
How to strategize about solving formulas for variables; how to solve the area of a rectangle formula for base and height; how to solve the area of a triangle formula for base and for height.
formulas isolating a variable rectangle area triangle area trapezoid area regular polygon area -
The Differential Equation Model for Exponential Growth
Calculus Antiderivatives and Differential Equations
How to use differential equations to represent exponential growth or exponential decay.
differential equations exponential growth exponential decay -
Parametric Equations and Motion
Precalculus Vectors and Parametric Equations
How to graph a parametric curve, and how to eliminate the parameter to obtain a rectangular equation for the curve.
position time parametric equations path rectangular equation eliminating the parameter square root function direction of motion -
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: Distance Problem
Precalculus Linear Equations and Inequalities
How to find the speed of transit when the time of two different legs is known.
distance rate time word problem -
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 -
The Quadratic Formula
Algebra Quadratic Equations and Functions
How to use the quadratic formula to solve quadratic equations.
quadratic equation quadratic formula coefficient standard form -
Graphing Polar Equations
Precalculus Polar Coordinates and Complex Numbers
How to sketch a simple polar curve by plotting points.
polar graph polar equation -
Equation of a Circle
Geometry Pythagorean Theorem
How to derive the equation for a circle using the distance formula.
distance formula radius center circle -
Equation of a Circle
Trigonometry Pythagorean Theorem
How to derive the equation for a circle using the distance formula.
distance formula radius center circle -
Solving One Variable Inequalities
Pre-Algebra Solving Equations and Inequalities
How to solve one step inequalities
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Graphing Quadratic Equations
Algebra Quadratic Equations and Functions
How to graph a quadratic equation by hand.
x intercepts y intercepts vertex axis of symmetry discriminant substitute -
Finding the Equation of a Graphed Line
Algebra Linear Equations and Their Graphs
How to write the equation of a graphed line.
point slope form slope intercept form slope y intercept -
Position, Velocity and Acceleration
Calculus Antiderivatives and Differential Equations
How to solve position, velocity and acceleration problems using differentiation equations.
differential equations derivatives position velocity acceleration -
Applications of Quadratic Equations
Algebra Quadratic Equations and Functions
How to approach word problems that involve quadratic equations.
projectile height geometry word problem vertex -
ACT Algebra
ACT ACT Math
Short, helpful video on ACT Algebra by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
Elementary algebra intermediate algebra substituting variables simplifying expressions solving linear equations -
Graphing Radical Equations using a Table
Algebra Radical Expressions and Equations
How to find the domain and graph radical equations.
table radical domain -
Solving a Quadratic Inequality using a Sign Chart
Algebra 2 Quadratic Equations and Inequalities
How to solve a quadratic inequality using a sign chart.
sign number line sign chart less than greater than quadratic inequality -
Coin Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems about values and number of coins.
coins system of equations substitution
