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Strand 4 Junior Certificate Higher Level Algebra - Revised

Enhance your maths skills with the help of this free online algebra course covering surds, quadratics, and more.

Algebra
Free Course
This free online Junior Certificate course teaches you Higher Level Algebra. You will learn all about simple formulae and how to rearrange them, how to factorize quadratics and the calculate difference of two squares, as well as how to use a discriminant. You will also learn about simplifying surds, solving linear and quadratic inequalities, solving simultaneous equations graphically, and more. Start learning, today!

1-2 Hours

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Description

A quadratic is a type of problem that deals with a variable multiplied by itself. This operation is known as squaring and is derived from the area of a square with its side length multiplied by itself. This course will teach you how to factorize quadratics. You will look at equations with linear functions in the denominator, quadratic equations with both brackets of the same sign, and quadratic equations with both brackets of different signs. You will also study quadratic equations using specific formulae.

Surds are numbers left in root form (√) to express their exact value. They are left as surds is because, in the decimal form, they would go on infinitely. This course will teach you how to simplify surds with a some simple rules. You will learn how to use discriminants for quadratic equations and how to solve linear inequalities with fractions. You will also study the different methods for solving quadratic inequalities, and more.

Algebra is one of the strands of the new Project Maths Course in the Irish curriculum. Upon the completion of this course, you will have a much better understanding of factorization as well as addition, subtraction, multiplication, and division of expressions. You will also have a stronger grasp of word problems leading to simultaneous and quadratic equations, equations involving fractions, and solutions of linear inequalities. So, check out the course and start enhancing your algebra skills, today.

Start Course Now

Learning Outcomes

Having completed this course you will be able to:

• Examine how to solve expressions and formulas, and simplify surds
• Demonstrate how to solve quadratic equations and equations with indices, including simultaneous equations
• Identify how to solve quadratic equations using different methods
• Examine how to work with complex 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