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JH@Quelpr
Nov 22, 20211 min read
CAPE Pure Math: The Module 1 (Unit 1) Formula Sheet
Just a quick summary of the useful formulae and info from module 1. (In progress) Remainder and Factor Theorem Where a is the value of x...
1,385 views3 comments
JH@Quelpr
Aug 16, 20203 min read
CSEC Mathematics: Bearings
A bearing is the angle (in degrees) measured from north in a clockwise direction. Bearings are always written using 3 digits, so....
3,057 views0 comments
JH@Quelpr
Jun 19, 20202 min read
CSEC Mathematics: Completing the Square of a Quadratic Expression
You are likely familiar with the general form of a quadratic expression, ax² + bx + c, where
a and b are coefficients, c is a constant...
754 views8 comments
JH@Quelpr
May 31, 20202 min read
CSEC Mathematics: Solving Linear Simultaneous Equations Using Matrices
There are several methods for solving simultaneous equations, including substitution, graphical method and elimination. In this lesson...
460 views0 comments
JH@Quelpr
May 13, 20202 min read
CSEC Mathematics: Circle Theorem
Circle theorem helps us to find and prove the sizes of angles in relation to circles. You may be wondering, what is the point of circle...
1,640 views0 comments
JH@Quelpr
May 8, 20204 min read
CSEC Mathematics: Sine and Cosine Rule
As you can see, the angle is named using a capital letter, and the side opposite to the angle is labelled with the common letter. So...
832 views1 comment
JH@Quelpr
Apr 27, 20201 min read
CSEC Mathematics: Matrices- Determinants and Inverse
The determinant of a matrix is a very important value that will help us later on when we are finding the inverse of a matrix.
333 views0 comments
JH@Quelpr
Apr 26, 20204 min read
CSEC Mathematics: Operations with Matrices- Addition, Subtraction and Multiplication
A matrix is an ordered, rectangular array of numbers (not featuring Keanu Reeves). The numbers are arranged in rows and columns
450 views0 comments
JH@Quelpr
Apr 25, 20203 min read
CSEC Mathematics: Salaries and Wages
A salary is a fixed annual amount paid to an employee. This amount is usually split up into monthly or fortnightly payments.
1,669 views2 comments
JH@Quelpr
Apr 24, 20202 min read
CSEC Mathematics: Appreciation and Depreciation
In this lesson, we will cover: what appreciation and depreciation are how to calculate and solve problems involving appreciation or...
952 views1 comment
JH@Quelpr
Apr 23, 20202 min read
CSEC Mathematics: Interest- Consumer Arithmetic
The initial sum of money you invest would be called the principal (P). The money earned on top of the principal is called interest...
390 views5 comments
JH@Quelpr
Apr 22, 20203 min read
CSEC Mathematics: Consumer Arithmetic
Sales Tax A sales tax is a consumption tax imposed by the government on the sale of goods and services. Some of you may be familiar with...
657 views0 comments
JH@Quelpr
Apr 21, 20202 min read
CSEC Mathematics: Consumer Arithmetic- Discounts
Consumer arithmetic is all about basic calculations made in day to day business transactions and budgeting.
540 views2 comments
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