This chapter explores quadratic inequalities. The chapter insures that you gain knowledge that quadratic inequalities have two limits and solving quadratic inequalities by inspecting the graph. Before attempting this chapter you must have prior...
[widget] This section explores depreciation. By the end you should be able to calculate the depreciated value and the amount of depreciation. You should have prior knowledge of working with percentages, decreasing percentages and...
This chapter explores mixed numbers and improper fractions. It covers converting improper fractions to mixed numbers, multiplying fractions by whole numbers and adding fractions to make whole numbers. Improper fractions Michael ate thirds of...
In this chapter we’re going to explore completing the square. You will understand how to the square, and also be able to use complete the square to solve quadratic equations. Example The following is...
In this chapter we’re going to look very broadly at how negative and positive numbers and letters work. There are some rules that you should know when working with negative and positive. These rules...
In this section we shall be exploring rounding off decimals. We shall look at rounding decimals off to whole numbers, rounding decimals to certain decimal places and making decisions whether to round up or...
Rounding off numbers to a certain degree of accuracy is often necessary in many applications. For example 5,625,000 can be rounded off to one significant figure to make the figure simple or easy to...
The quotient rule can be used to differentiate fractions or find derivative of a fraction function, In this topic I will be showing you how to find the derivative using the quotient rule. the...
Calculating the gradient of a tangent to a curve can be very useful in mathematical calculations. Some mechanical structures such as ramps, rides are usually modelled around mathematical curves. In some cases there is...
