Factorising Quadratic Trinomials
There is no escaping a degree of trial-and-error when factorising quadratic trinomials. That said, the structured step-wise approach introduced in this YouTube clip will minimise the angst these type...
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Quadratic Equation Summary
Lawrence Spector’s Quadratic Equations web page revise’s the standard form of the quadratic equation, the definition of a root and provides interactive examples of the types of quadratic factoring...
View ArticleThe Quadratic Formula Song
…and all across America and beyond, teenagers have been creating music videos dedicated to The Quadratic Formula, a.k.a. the -b formula! That’s right, so determined to solve the most stubborn type of...
View ArticleAlgebraic Division
Have you ever gone into maths class and said to your teacher something along the lines of, “I understand how to do the problems when you do them on the board, but when I get home, I can’t do them.”...
View ArticleThe Quadratic Formula to the Rescue!
In this video clip, Patrick of www.justmathtutoring.com walks us through solving a quadratic equation using the Quadratic Formula. Keep in mind, we typically turn to the quadratic formula after first...
View ArticleSimplifying Roots that include Surds
In using the quadratic formula and Theorem of Pythagoras, you will sometimes arrive at a solution or part of a solution that seeks to take the square root of a number that is not a perfect square, i.e....
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Simultaneous Eq’s: One Linear, One Quadratic
To date you have learned how to solve simultaneous equations using the elimination method - for example, getting either the x term to cancel or the y term to cancel and following on from there. When...
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Be a Happy Grapher!
Throughout post primary maths you will encounter the need to sketch a number of different types of functions (graphs). At minimum, you will be sketching linear, quadratic and cubic functions....
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Carolin’s Notation for Solving Equations
Note: This entry is a non-technology post. Carolin is a visiting student from Germany in my 5th Year Maths class. To solve a basic algebraic equation, we isolate the unknown to one side of the...
View ArticleJust talkin’ Algebra!
For one to articulate an understanding of algebra, one needs to be able to speak the vocabulary of algebra. Knowing how to correctly reference algebraic terms helps one to ask better questions and to...
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