50 Videos for "number of roots"

Converting Complex Numbers From Trigonometric Form to Rectangular  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a complex number, z = 5*root(2)*(cos(7*pi/4) + i*sin(7*pi/4)), from trigonometric form to rectangular form. 
Dividing Complex Numbers  Problem 4
Math › Algebra 2 › Roots and Radicals
How to simplify radical quotients with a negative root in the denominator. 
Dividing Complex Numbers  Problem 5
Math › Algebra 2 › Roots and Radicals
Dividing complex numbers where the denominator contains an imaginary number. 
Introduction to Imaginary Numbers  Problem 6
Math › Algebra 2 › Roots and Radicals
Introduction to complex numbers. 
Introduction to Imaginary Numbers  Problem 3
Math › Algebra 2 › Roots and Radicals
How to describe the absolute value of a complex number. 
Introduction to Imaginary Numbers  Problem 5
Math › Algebra 2 › Roots and Radicals
Introduction to imaginary numbers. 
Dividing Complex Numbers  Problem 6
Math › Algebra 2 › Roots and Radicals
How to divide complex numbers. 
Adding and Subtracting Complex Numbers  Problem 2
Math › Algebra 2 › Roots and Radicals
Adding and subtracting complex numbers. 
Cube Roots  Concept
Math › Algebra › Radical Expressions and Equations
How to find the cube root of a number. 
Multiplying Complex Numbers  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the product of two complex numbers in rectangular form, z1 = 3 + 3*i and z2 = 1 + i*root(3), by converting them to trigonometric form. 
Multiplying Complex Numbers  Problem 3
Math › Algebra 2 › Roots and Radicals
How to multiply imaginary monomials. 
Dividing Complex Numbers  Problem 3
Math › Algebra 2 › Roots and Radicals
How to divide by an imaginary monomial. 
Multiplying Complex Numbers  Problem 4
Math › Algebra 2 › Roots and Radicals
How to multiply complex binomials. 
Introduction to Imaginary Numbers  Problem 4
Math › Algebra 2 › Roots and Radicals
How to graph in the complex plane. 
Cube Roots  Problem 2
Math › Algebra › Radical Expressions and Equations
Introduction to cube root concept and notation, including cube roots of negative numbers. 
Square Roots  Problem 3
Math › PreAlgebra › Decimals and Percents
Introduction to cubing a number and cube roots as opposite operations 
Cube Roots  Problem 4
Math › Algebra › Radical Expressions and Equations
Simplifying cube roots by looking for multiples of the perfect cube numbers. 
Rational Exponents with Negative Coefficients  Problem 2
Math › Algebra 2 › Roots and Radicals
How to evaluate a rational exponent with an odd root (an odd power) of a negative number. 
Rational Exponents with Negative Coefficients  Problem 3
Math › Algebra 2 › Roots and Radicals
How to evaluate a fraction exponent with an odd root and even power of a negative number. 
The Discriminant of a Quadratic Equation  Concept
Math › Algebra 2 › Quadratic Equations and Inequalities
How to use the discriminant to know the number and type of solutions to a quadratic.