number of roots 109 videos
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Significant Figures
Chemistry Introduction to Chemistry
How to find the correct number of figures to show when writing numbers.
significant figures digits rounding -
The Euler Formula
Precalculus Polar Coordinates and Complex Numbers
How to use the Euler Formula to convert a complex number from the exponential form to rectangular form.
complex numbers trigonometric form Euler formula e sine cosine modulus argument -
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Permutations
Precalculus Topics in Discrete Math
How to find the number of permutations of a set.
different arrangement permutation factorial permute -
Combinations
Precalculus Topics in Discrete Math
How to find the number of combinations of a set.
chose choosing combination order doesn't matter pens -
Permutations
Algebra 2 Combinatorics
How to find the number of permutations of a set.
different arrangement permutation factorial permute -
Combinations
Algebra 2 Combinatorics
How to find the number of combinations of a set.
chose choosing combination order doesn't matter pens -
Pronoun Antecedent Agreement
Grammar Sentence Basics
The rules for pronoun and antecedent agreement.
pronoun antecedent agreement person number gender -
Adding and Subtracting Radical Expressions
Algebra Radical Expressions and Equations
How to add and subtract radical expressions.
square root radical radicand like radicals -
Evaluating Rational Exponents
Algebra 2 Roots and Radicals
How to evaluate a fractional exponent two ways.
evaluating rational exponents power over root -
Rational Exponents with Negative Coefficients
Algebra 2 Roots and Radicals
How to know when a negative coefficient is associated with power.
evaluating rational exponents power over root negative -
Using the Conjugate Zeros Theorem
Precalculus Polynomial and Rational Functions
How we find the zeros of a polynomial function when one imaginary zero is known.
polynomial functions quadratic functions zeros multiplicity the conjugate zeros theorem the conjugate roots theorem conjugates imaginary numbers imaginary zeros -
Mean
Algebra Introduction to Statistics
How to calculate the mean, or average, of a list of numbers.
mean measure of center average -
Addition and Subtraction
Pre-Algebra Integers
Understanding the set of integers in contrast to the whole or natural numbers
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Multiplication and Division
Pre-Algebra Integers
Learn how to multiply and divide positive and negative numbers.
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Divisibility
Pre-Algebra Prime Numbers
Shortcuts to determine whether a number is a factor of another
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Prime Factorization
Pre-Algebra Prime Numbers
Identifying prime numbers and finding prime factorizations
