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Strand 4 Leaving Certificate Ordinary Level Algebra - Revised

Learn how to solve simultaneous equations, cubic equations, and inequalities, with this free maths course.

IT
Free Course
This free online Leaving Certificate mathematics course will teach you all about ordinary level algebra. You will learn about expressions, formulas, and quadratics, which are used in determining anything from areas to a product's profit or the speed of an object. You will also learn about square roots, equations, complex numbers (which are a combination of real numbers and imaginary numbers), and more. Start learning, today!

2-3 Hours

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Description

This course begins by showing you how to factor quadratics. You will learn how to factor the difference of two squares and expand brackets using the grid method and FOIL method. In addition, you will also learn how to expand any two brackets and rearrange simple formulae. You will study the two steps of rearranging simple formulae, rearrange formulae with squares and square roots, and rearrange formulae where subjects appear twice.

An equation is a statement that asserts the equality of two expressions. This course will teach you the steps in solving equations. You will look into inequality which is an equation that uses symbols for ""less than""(<) and ""greater than""(>) where an equation uses a symbol for ""is equal to"" (=). You will also learn how to solve complex numbers which are the building blocks of algebra and can be applied to different aspects of real life.

This course will show you how to represent numbers with letters and convert problems into equations among other algebraic concepts. Upon the completion of this course, you will have a better understanding of the steps involved in solving linear simultaneous equations with two unknowns, solving basic inequalities, interpreting the solutions of simple simultaneous equations, forming quadratic equations with given roots, and more. Check out the course and start expanding your algebra skills today!

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Learning Outcomes

Having completed this course students will be able to:

• Recognize how to factorise quadratics
• Discuss the difference of two squares in algebra
• Identify how to expand brackets using both the grid and FOIL methods
• Discuss rearranging algebraic formulas
• Recognize how to solve linear equations that contain fractions
• Recognize how to solve quadratic equations, using formula and graphics
• Recognize how to solve simultaneous equations
• Discuss solving equations that include indices in the equation
• Identify how to find inequalities from shaded regions on a graph
• Discuss solving linear inequalities with fractions
• Recognize how to manipulate complex numbers and the algebra of complex numbers
• Identify an Argand Diagram and what it’s use for
• Discuss the meaning of i
• Discuss patterns with imaginary numbers

Certification

All Alison courses are free to enrol, study and complete. To successfully complete this Certificate course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Certificate course, you have the option to acquire an official Certificate, which is a great way to share your achievement with the world. Your Alison Certificate is:

Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive for you to continue empowering yourself through lifelong learning

Alison offers 3 types of Certificates for completed Certificate courses:

Digital Certificate - a downloadable Certificate in PDF format, immediately available to you when you complete your purchase
Certificate - a physical version of your officially branded and security-marked Certificate, posted to you with FREE shipping
Framed Certificate - a physical version of your officially branded and security-marked Certificate in a stylish frame, posted to you with FREE shipping