Here’s an example of calculating a loan payment on the HP-10B. Hewlett-Packard’s business calculator, the HP-10B, is designed to be easy to use. Let’s see how easy it is with an example: Example 1: Calculate the monthly payment on a …

Loan payments on the HP-10B Read more »

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Factored form, when it can be done, is a very useful form of a quadratic function. Let’s imagine you are asked the following question: For the quadratic function y=x^2 – 6x -16 find the a) vertex b) domain and range …

Quadratic functions: factored form Read more »

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Graphing linear inequalities is covered in high school math. Let’s imagine you need to graph the inequality 2x-3y≤12 I recommend that to start, you graph the corresponding equation 2x-3y=12 which will be a line. (See my post here about how …

Math: how to graph a linear inequality in two variables Read more »

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