optimization problems 68 videos

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 
Age Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems about the ages of two people.
age system of equations substitution 
Trapezoid Arch and Panel Design Problem
Geometry Polygons
How to strategize about solving a problem with trapezoidal arches.
trapezoid arch panel design interior angle equiangular polygon isosceles 
Applications of Linear Equations
Algebra Linear Equations and Their Graphs
How to write equations for and graph word problems.
word problem equation 
Applications of Linear Equations
Algebra 2 Graphs of Linear Equations
How to write equations for and graph word problems.
word problem equation 
Sum of Digits
Algebra Word Problems Using Systems of Equations
How to solve a problem when asked to switch the digits of a 2digit number.
sum digits word problem 
Navigation Problems
Precalculus Vectors and Parametric Equations
How we measure airspeed, wind, groundspeed, and other variables in navigation.
navigation airplane flight airspeed heading groundspeed course wind speed wind direction vector addition magnitude direction 
Applications of Quadratic Equations
Algebra Quadratic Equations and Functions
How to approach word problems that involve quadratic equations.
projectile height geometry word problem vertex 
Optimization Using the Closed Interval Method
Calculus Applications of the Derivative
How to evaluate the limit of a function at points where it is not continuous.

Optimization Using the First Derivative Test
Calculus Applications of the Derivative
How to evaluate the limit of a function as x goes to infinity (or minus infinity), and how to determine the horizontal asymptote of its graph.

Optimization Using the Second Derivative Test
Calculus Applications of the Derivative
How to compute the average velocity of an object moving in one dimension from a graph of its position vs. time.

Word Problems With Percents
PreAlgebra Decimals and Percents
Listing possible real world applications of percents

Comma Rules
Grammar Sentence Problems
The rules for placing commas in sentences.
sentence problems comma rules 
Parallel Structure
Grammar Sentence Problems
How to form sentences with parallel structure.
sentence problems parallel structure 
Sentence Fragment
Grammar Sentence Problems
Identify and revise sentence fragments.
sentence problems sentence fragment 
Comma Splices
Grammar Sentence Problems
How to identify unnecessary commas.
sentence problems comma splices 
Applied Linear Inequalities
Precalculus Linear Equations and Inequalities
How to find a test score to keep the class grade at least 90%.
applied linear inequality word problem average score test word problem 
Applied Linear Inequalities
Algebra 2 Linear Inequalities
How to find a test score to keep the class grade at least 90%.
applied linear inequality word problem average score test word problem