Practical Problem: Two solutions for a Pool Problem
A work problem is presented to determine how long it will take to fill a pool that has an open drain.
Rewriting Literal Equations
Working with equations containing more than one variable, called literal equations, using the formula E = RT.
Rewriting the Formula for Temperature Conversion
Rewriting the formula for temperature conversion to solve for F.
Multiplying Both Sides of an Equation by -1
By multiplying both side of an equation by negative one, you can change negative signs to positive, making an equation easier to work with.
Practical Problem: Finding the Speed of the Wind
A practical problem involving two airplanes requires finding their true speed after factoring in wind speed. The rate, time, and distance formula is used to solve the problem.
Metric System, The: Metric Units, Prefixes, Equivalences and Abbreviations
This clip presents the units for length, fluid volume and mass used in the Metric System. The clip also provides some of the key prefixes and abbreviations for Metric System units of measurement, as well as unit equivalences.
Polynomial Equations of Degree One
Equations in which the exponent of the variable is always one and the variable never appears as a divisor or under a radical sign are called polynomial equations of degree one.
Shortcuts for Solving Equations
A review of shortcuts that can be used in solving equations.
Solving Equations
A brief how-to for solving equations.
Signed Fractions: Summary: Signed Fractions
This clip summarizes signed fractions. It explains that negative fractions are just as useful as any other kind of negative number. The clip then re-visits the question of what exactly constitutes a negative fraction. It states that, if the numerato...