Search for tag: "mathematics"

Writing a mixed number as an improper fraction

This simply describes the conversion of the whole number part of a mixed number into a fraction with the same denominator as the original fraction part ao they can be added together.

From  Tom Grant 10 plays 0  

Using Exponent Rules, Part 1

Shows how to convert factors with negative exponents into ones with positive exponents and then how to apply the product and quotient rules to combine the exponents of factors with the same base.

From  Tom Grant 157 plays 0  

Multiplying Rational Expressions

A demonstration of how to multiply fractions of algebraic expressions.

From  Tom Grant 623 plays 0  

Interpreting Slope-Intercept Form

Explains what slope and y-intercept mean in the context of a real-world example.

From  Tom Grant 1,099 plays 0  

Applying Steps for Problem Solving - Part 1

Explains a set of instructions about how to solve word problems in general, then applies that strategy to a particular example concerning related numbers.

From  Tom Grant 1,367 plays 0  

Using the Midpoint Formula

Explains why the midpoint formula works, and then uses it to find the halfway point between two given points.

From  Tom Grant 572 plays 0  

Using Properties of Logarithms to Evaluate Log Expressions

Explains the simpler properties of logs and then demonstrates their use with a few examples.

From  Tom Grant 641 plays 0  

Solving Logarithmic Equations

Gives a couple of examples that show how to solve logarithmic equations.

From  Tom Grant 631 plays 0  

Solving by Completing the Square - Part 2

A second demonstration of how to solve a quadratic equation using the "complete the square" process.

From  Tom Grant 737 plays 0  

Solving a Formula for a Specified Variable, Part 2 (DBX)

This video makes it easier to use formulas if you are repeatedly looking for the value of a particular variable.

From  Tom Grant 23 plays 0  

Recognizing Identities and Equations with No Solution

Special types of linear equations whose answers are different.

From  Tom Grant 1,188 plays 0  

Finding Minimum and Maximum Values

Demonstrates the quickest way to find a minimum or maximum value for a quadratic function.

From  Tom Grant 637 plays 0  

Evaluating Logarithmic Expressions

Demonstrates how to figure out the value of a logarithmic expression.

From  Tom Grant 624 plays 0  

Converting from Logarithmic Notation to Exponential Notation

Explains and demonstrates converting from logs to exponentials.

From  Tom Grant 639 plays 0  

Converting from Exponential Notation to Logarithmic Notation

Explains and demonstrates converting from exponentials to logs.

From  Tom Grant 731 plays 0  

Adding or Subtracting Rational Expressions with a Common Denominator

Demonstrates how to add or subtract fractions composed of algebraic expressions where the denominators are identical.

From  Tom Grant 1,075 plays 0