# Category Archives: Math Analysis

## Math Analysis – Solve joint variation equation y=kxz

Joint Variation In this tutorial student will learn how to determine the constant of variation first and then find the other missing value using the given information. The student will learn how to solve joint variation equation y=kxz. Where k is the constant of variation/proportionality. Also note that a joint variation ALWAYS go through or… Read More »

## Math Analysis – Solve a combined variation equation y=kx/z

Combined Variation In this tutorial students learn how to determine the constant of variation first and then find the other missing value using the given information. The student will learn how to solve a combined variation equation y=kx/z in word problem format. Where k is the constant of variation/proportionality.

## Math Analysis – Solve a direct variation equation y=kx

Direct Variation In this tutorial the students will learn how to determine the constant of variation first and then find the other missing value using the given information. The student will also solve a direct variation equation y=kx. Where k is the constant of variation/proportionality. Also note that a direct variation ALWAYS intersects the origin… Read More »

## Math Analysis – Exponential Equations Playlist

## Math Analysis – Exponential Equations

Exponential Equations Finding like bases In this tutorial the students will learn to solve an exponential equation. The students will find like bases and then evaluate the exponents. During this evaluation the students will solve for the variable, x. Once the value of x is found the students will then verify that it is a valid… Read More »

## Math Analysis – Natural Logarithms (logs)

Exponential Equations Natural Logarithms (logs) In this tutorial students learn how to solve an exponential equation by using natural logs. When the students recognize that a common base is not available they will fall back to logarithms. Lastly, the students will use the properties of logarithms to position the x variable to be solved. They… Read More »

## Math Analysis – Summation Notation

Summation Notation In this tutorial students learn how to uses summation notation. The students will also verify the results with the TI-84 Plus C graphing calculator. Virginia Standards of Learning (SOL) SOL AII.2 & SOL AII/T.2 The student will investigate and apply the properties of arithmetic and geometric sequences and series to solve real-world problems, including… Read More »