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MATH - Hernandez: Math 330

This is a math LibGuide of all the classes that Kathryn Hernandez teaches and it contains many recorded reviews and equation solution methods.

Math 330 videos

Review - Chapter 1

Adding & Subtracting fractions   

Multiplying & Dividing Fractions 

Absolute Value 

Integer Rules    

Translating Expressions & Equations        

Solving Equations - Chapter 1

Distributive Property & Combining Like Terms  

Solving One Step Equations         

Solve an Equation Involving Several Steps   

Solving Equations with Multiple Steps    

Solve Equations by Clearing Fractions Ex. 1           

Solve Equations by Clearing Fractions Ex. 2           

Clearing Decimals                             

Solving equations Special Cases

Solving Proportions by Cross Multiplying               

Similar Triangles 

Proportion Application Problem                                

Solve for a Specified Variable     

Solve Problems Involving Unknown Numbers  

Find Unknown Number Application Problem      

Consecutive Integer Problem  

Find Dimensions of Rectangle Application Problem 

Investment Problem Application              

Monetization Problem  

Mixture Problem             

Distance Rate Motion Application             

Applications of Equations 

Solving Percents Using Proportions         

Solve Percents Using Equations                 

Percent Increase              

Solving Equations - Chapter 2

Solve & Graph Inequalities                          

Solve a Three-Part Inequality                     

Solving Inequalities Application Finding Test Average  

Solve Absolute Value Equation   |ax + b| = c  

Solve Absolute Value Equation  |ax+b| >c

Solve Absolute Value Equation  |ax+b| < c 

Solve Absolute Value Equation  Special Case

Solve Absolute Value Equation  |ax+b| = |dx+e|              

Graphing & Functions - Chapter 3 

Finding intercepts            

Graph the Line  

Graph Vertical/Horizontal Lines 

Find Slope           

Write an Equation in Slope Intercept Form            

Determine if lines are parallel, perpendicular given ordered pairs       

Determine if lines are parallel, perpendicular given 2 equations 

How to graph a liner inequality Ex. 1        

Graphing Linear Inequalities Ex. 2             

Graphing a Compound Inequality             

Is it a Function? Ordered Pairs    

Is it a Function? Graphs 

Function Notation & Evaluating a Function           

Find an Intersection of Two Sets                               

Find Intersection of Inequalities                

Find Union When Given Sets 2  

Find Union When Given Inequalities 

Find Union When Given Inequalities 2     

Systems - Chapter 4

Solving a System by Graphing     

Solve a System by Graphing Special Cases            

Solving a System Using Substitution Method       

Substitution Method Special Case            

Substitution Method Special Case             

Solving a System Using Elimination Method         

Solving a System by Elimination Method Special Cases    

Solving a Three Variable System of Equation                       

Polynomials - Chapter 5

Adding & Subtracting Polynomials            

Adding Polynomial Functions      

Subtracting Polynomial Functions

Power Rules      

Product Rule     

Multiplying Polynomials               

Multiplying Polynomial Functions           

Dividing a Polynomial by a Monomial     

Negative Exponent Rule              

Dividing Polynomial Functions     

Polynomial Long Division             

How to write a Number in Scientific Notation     

How to convert from scientific to standard          

Product Rule with Scientific Notation  

Quotient Rule with Scientific Notation    

Factoring - Chapter 6

How to find GCF              

Factor out GCF 

Factor by Grouping Ex. 1              

Factor by Grouping Ex. 2              

Factor a Trinomial Ex. 1                 

Factor a Trinomial Ex. 2                 

Factor a Trinomial Prime 3           

Factor a Trinomial Ex. 4                  

Factor a Trinomial Ex. 5                  

Factoring a Trinomial Coefficient not 1 Ex. 1

Factoring a Trinomial Coefficient not 1 Ex. 2        

Difference of Squares                   

Sum of Cubes     

Sum of Cubes Ex. 2         

Difference of Cubes Ex. 1            

Difference of Cubes 2

Solving Quadratic Equations by Factoring             

Solving Quadratic Equations by Factoring Ex.2    

Solving Quadratic Equations by Factoring Ex.3    

The Rocket Problem      

Factoring Application, Find Dimensions of a Parallelogram            

Factoring Application, Pythagorean’s Theorem 

Rational Expressions - Chapter 7

Find Values that make Rational Expression Undefined Ex. 1        

Find Values that make Rational Expression Undefined Ex. 2        

Find Values that make Rational Expression Undefined Ex. 3

Simplifying Rational Expressions Ex. 1    

Simplifying Rational Expressions                Ex. 2  

Simplifying Rational Expressions Ex. 3    

Multiplying Rational Expressions              

Dividing Rational Expressions     

Dividing Rational Expressions Ex. 2          

Adding & Subtracting Rational Expressions          

Adding & Subtracting Rational Expressions Ex. 2

Adding & Subtracting Rational Expressions Ex. 3

Adding & Subtracting Rational Expressions Ex. 4

Simplifying Complex Factions    

Simplifying Complex Fractions Ex. 2        

Simplifying Complex Fractions Ex. 3        

Equations with Rational Expressions Ex. 1            

Equations with Rational Expressions Ex. 2            

Equations with Rational Expressions Ex. 3            

The Rocket Problem      

The Work Problem         

Motion, Distance Word Problem, Solving Equations

Upstream Rational Expression Application           

Upstream Still Water Rational Expression Application

Direct Variation Problem Ex. 1  

Direct Variation Problem Ex. 2  

Direct Variation Problem Ex. 3     

Radicals - Chapter 8

Pythagorean’s Theorem                              

Simplifying Radicals                        

Simplifying Radicals with Variables          

Adding & Subtracting Radicals                   

Multiplying Radicals Ex. 1             

Multiplying Radicals Ex. 2             

Multiplying Radicals Ex. 3               

Rationalizing the Denominator  

Solve Radical Equations Ex. 1      

Solving Radical Equations Ex. 2

Simplifying Complex Numbers  

Adding/Subtracting with Complex Numbers       

Multiplying with Complex Numbers       

Solving a Quadratic Equation Using the Square Root Property    

Solving a Quadratic Equation by Completing the Square

Quadratic Formula - Chapter 9

Quadratic Formula