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...
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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....
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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...
737 views7 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...
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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...
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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...
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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.
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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
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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.
1,589 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...
939 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...
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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...
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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.
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