# linear approximation   54 videos

• #### An Important Limit

##### CalculusThe Derivative

How to interpret the value of a limit important in the derivative of exponential functions.

limits natural logarithm numerical approximation

• #### Cramer's Rule

##### PrecalculusSystems of Linear Equations and Matrices

How to solve a system of two linear equations with two unknowns using Cramer's rule.

systems of linear equations Cramer's rule determinant coefficient matrix
• #### Square Roots

Understanding squaring and square roots, including decimal approximations

• #### Applications of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to write equations for and graph word problems.

word problem equation
• #### Standard Form of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to determine what form an equation is written in.

standard form point slope form slope intercept form equation coefficient
• #### Intercepts of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to work with x an y intercepts graphically or algebraically.

x intercept y intercept y=mx+b
• #### Applications of Linear Equations

##### Algebra 2Graphs of Linear Equations

How to write equations for and graph word problems.

word problem equation
• #### The Reciprocal Transformation

##### PrecalculusPolynomial and Rational Functions

How to graph the reciprocal of a linear function.

the reciprocal transformation x intercepts asymptotes
• #### Applied Linear Equations: Mixture Problem

##### PrecalculusLinear Equations and Inequalities

How to solve a mixture problem when the size difference between the two containers is known.

word problem mixture
• #### Applied Linear Equations: Investment Problem

##### PrecalculusLinear Equations and Inequalities

How to solve an interest problem when given the total amount deposited.

word problem investment interest
• #### Applied Linear Equations: Tax Problem

##### PrecalculusLinear Equations and Inequalities

How to solve a word problem about finding the tax on a purchase.

word problem tax
• #### Applied Linear Equations: Distance Problem

##### PrecalculusLinear Equations and Inequalities

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

##### PrecalculusLinear Equations and Inequalities

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

##### PrecalculusLinear Equations and Inequalities

How to solve a problem involving consecutive integers.

consecutive numbers
• #### Solving a Three-part Linear Inequality

##### PrecalculusLinear Equations and Inequalities

How to solve a three part inequality.

interval notation inequality notation set builder notation three part inequality
• #### Point-Slope Form of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to write the equation of a line in point-slope form.

slope equation
• #### Applied Linear Equations: Mixture Problem

##### Algebra 2Linear Equations

How to solve a mixture problem when the size difference between the two containers is known.

word problem mixture
• #### Applied Linear Equations: Investment Problem

##### Algebra 2Linear Equations

How to solve an interest problem when given the total amount deposited.

word problem investment interest
• #### Applied Linear Equations: Tax Problem

##### Algebra 2Linear Equations

How to solve a word problem about finding the tax on a purchase.

word problem tax