399 Videos for "number"

Multiplying and Reducing Fractions  Problem 1
Math › PreAlgebra › Fractions and MIxed Numbers
Reducing fractions by finding the greatest common factor of the numerator and denominator 
Solvling fraction equations  Problem 1
Math › PreAlgebra › Fractions and MIxed Numbers
Solving a two step equation with fractions but not requiring a common denominator 
Introduction to Polar Coordinates  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert the coordinates of a point from polar to rectangular. 
The Distance Formula in Polar Coordinates  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to derive the distance formula for polar coordinates. 
Complex Fractions and Order of Operations  Problem 1
Math › PreAlgebra › Fractions and MIxed Numbers
Simplifying using the order of operations with groupings in numerators of fractions 
Introduction to Polar Coordinates  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert the coordinates of a point from polar to rectangular at an angle +/ pi/6. 
Lines in Polar Coordinates  Problem 1
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the polar equation of any line. 
Lines in Polar Coordinates  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to interpret the polar equation of a line. 
Adding/Subtracting Fractions Like Denominators  Problem 2
Math › PreAlgebra › Fractions and MIxed Numbers
Adding and subtracting fractions with common denominators and then reducing 
Graphing Polar Equations  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to sketch a polar curve by plotting points and using symmetry. 
Adding/Subtracting Fractions Like Denominators  Concept
Math › PreAlgebra › Fractions and MIxed Numbers
Adding and subtracting fractions that have the same denominator, including a visual representation 
Adding/Subtracting Fractions Like Denominators  Problem 1
Math › PreAlgebra › Fractions and MIxed Numbers
Adding and subtracting fractions with the same denominator 
Lines in Polar Coordinates  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find equations of a line tangent to a circle in polar and rectangular coordinates. 
Adding/Subtracting Fractions Like Denominators  Problem 3
Math › PreAlgebra › Fractions and MIxed Numbers
Drawing a picture to represent adding fractions with a common denominator 
The Distance Formula in Polar Coordinates  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the distance between to points given their polar coordinates. 
The Distance Formula in Polar Coordinates  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to derive the polar equation of a circle given its center and radius. 
Introduction to Polar Coordinates  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert the coordinates of a point from polar to rectangular at an angle pi/4 and 3*pi/4. 
Adding/Subtracting Fractions Unlike Denominators  Problem 3
Math › PreAlgebra › Fractions and MIxed Numbers
Adding or subtracting fractions with unlike denominators including variables 
Symmetry of Polar Graphs  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to test a polar equation for symmetry about the x or yaxis. 
Symmetry of Polar Graphs  Concept
Math › Precalculus › Polar Coordinates and Complex Numbers
How to determine if the graph of a polar equation is symmetric about the xaxis.