# Algebra: Using Equations and Functions

This sub-collection of resources from the Virtual Text Book collection contains seventeen resources designed for use on an interactive whiteboard to aid the teaching and learning of a variety of topics in ‘Algebra: Using Equations and Functions’. Each resource is an interactive Excel worksheet to encourage teacher-student interaction. The topics covered are:

• Circles – Equations and Graphs
• Cubics (Factorising and Graphing)
• Calculus: Graphing the First and Second Differentials
• Equations of Parallel and Perpendicular Lines
• Factorising
• Graphical Solutions of Equations
• Growth and Decay
• Inequalities
• Linear Equations
• Max Box
• Numerical Methods
• Simultaneous Equations
• Straight Lines: y=mx + c
• Transformation of Functions
• Travel Graphs

## Resources

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### Straight Lines: Y = mX + c

This interactive excel program is about finding the equation of straight lines in the form ax+by+c=0. The first two sheets deals with the equation of the line through two given points and the equation of the line through a point perpendicular to a given line. The...

### Transformation of Functions

This interactive excel program allows students to explore the relationship between the transformation of functions and the associated graphs. Functions explored are straight lines, quadratic and cubic functions as well as sine and cosine curves. Each type of function...

### Travel Graphs

This interactive excel program covers distance/time and velocity/time graphs.

The first interactive sheet shows a distance/time graph made of line segments and some questions relating to speed for each segment and the...

### Calculus: Graphing the First and Second Differentials

This excel program contains two interactive spreadsheets designed to explore the gradient functions of cubic and quadratic functions.

The first activity enables students to alter the coefficients in the function ax2+...