## Posts Tagged ‘model’

### Ex: Problem Solving – Determine a Length of a Rope from a Fractional Amount

This video explains how to determine the original length of  a piece of rope given the length of a fractional amount.

### Application of a Linear Equation in General (Standard) Form (L11.5)

This lesson provides an example of how to set up an equation in general form to model a situation.  Then the equation is used to answer a question.

### Determining Linear Equations in Slope-Intercept Form that Model Situations (L11.3)

This lesson explains how to write linear equations that model situations.

### Interpret the Slope and Intercepts of a Linear Function (L10.3)

This lesson explains the meaning of the horizontal intercept, vertical intercept, and slope of a graph modeling an situation.

### Ex: Exponential Regression Application on the TI84 (Decreasing Polio Case)

This video explains how to perform exponential regression to model the number of world polio cases.  Several questions are answers graphically using the TI84.

### Ex: Exponential Function Applications – Decreasing Water Level (Change of Base Used)

This video explains how to write an exponential function to model a decreasing water level of a lake.  An exponential equation is solved using the change of base formula.

### Ex: Exponential Function Applications – Increasing Investment Value (Change of Base Used)

This video explains how to write an exponential function to model a increasing investment account balance.  An exponential equation is solved using the change of base formula.