number of roots 109 videos

Addition and Subtraction with Mixed Numbers
PreAlgebra Fractions and MIxed Numbers
Adding or subtracting mixed numbers by either converting them to improper fractions or working with the integer part and the fractional part separately

Radicals and Absolute Values
Algebra 2 Roots and Radicals
How to know when to include a absolute value when simplifying a square root.
absolute value square roots even root odd power 
Scientific Notation
Algebra 2 Exponents
How to move between scientific notation and standard notation of numbers.
scientific notation standard notation big numbers small numbers 
Vocabulary of Quadratic Polynomials
Algebra Quadratic Equations and Functions
How to label the roots of a quadratic polynomial, solutions to a quadratic equation, and xintercepts or roots of a quadratic function.
roots x intercepts solutions excluded values zeros function 
Vocabulary of Quadratic Polynomials
Algebra 2 Quadratic Equations and Inequalities
How to label the roots of a quadratic polynomial, solutions to a quadratic equation, and xintercepts or roots of a quadratic function.
roots x intercepts solutions excluded values zeros function 
DeMoivre's Theorem
Precalculus Polar Coordinates and Complex Numbers
How to raise a complex number to an integer power using DeMoivre's Theorem.
complex numbers trigonometric form modulus argument 
Binomial Theorem
Precalculus Topics in Discrete Math
How to define factorial expressions used in the binomial theorem.
square root 
Binomial Theorem
Algebra 2 Polynomials
How to define factorial expressions used in the binomial theorem.
square root 
Compound Interest (Finite Number of Calculations)
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to use the compounded interest formula to find the value of an investment.
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Compound Interest (Finite Number of Calculations)
Precalculus Exponential and Logarithmic Functions
How to use the compounded interest formula to find the value of an investment.
interest compound interest daily monthly weekly quarterly rate 
Probability
PreAlgebra Introductory Statistics
Probability is number of successes out of number of possible outcomes

Solving an Equation with Radicals
Algebra 2 Roots and Radicals
How to solve an equation with a square root.
radical equation squaring both sides 
Simplifying Radical Expressions
Algebra Radical Expressions and Equations
How to simplify radicands.
square root radicand radical 
The Discriminant
Algebra Quadratic Equations and Functions
How to calculate and interpret the discriminant of a quadratic equation.
discriminant x intercepts number of solutions 
Definitions and Applications of Absolute Value
Algebra Absolute Value
What is absolute value?
absolute value number line distance 
Significant Figures
Physics Introduction to Physics
How to find the correct number of figures to show when writing numbers.
significant figures digits rounding 
Adding and Subtracting
PreAlgebra Whole Numbers
Using the number line to represent adding and subtracting whole numbers