To simplify an algebraic fraction means to reduce it to its lowest term. This is done by factoring out the […]
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Category: Mathematics
Free Mathematics online learning lesson notes and videos for Secondary school and High school students. The lesson notes, videos and interactive slideshows are built on curriculum that is designed to meet national and international O’ Level standard for Senior High School or Senior Secondary school students (SS1, SS2, SS3 or SHS1, SH2, SH3) and Grade 9, Grade 10, Grade 11 and Grade 12 students.
Free online lesson notes and videos for the following exam preparations: WAEC, JAMB, Cambridge O’Level, NECO, GCE, British IGSCE, KCSCE, United States and Canada High School Exam preparations, etc.
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One class in a school had “g’ girls and “b” boys. The class cannot take more than 40 pupils. It […]
In the above diagram, x can possess any value between -4 and +3 inclusive Hence x ≥ -2 and x […]
A linear inequality in two variables x and y is of the form: ax + by ≤ c: ax + […]
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Linear inequalities in variable
The term inequality applies to any statement involving one of the symbols<,>,≤,≥. Similar to ordinary equations, inequality equations too have […]
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Assignment – Straight line
WRAP UP AND ASSESSMENT The gradients of a straight line is given as gradient = change in y / change […]
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Equation of a straight line
Equation of a line with gradients in m and y intercept c. Equation of a line with gradient m and […]
In coordinate geometry, we make use of points in a plane. A point consists of the x-coordinate called abscissa and the y-coordinate […]
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Mutually exclusive events
Two events are said to be mutually exclusive, if they cannot both occur simultaneously. The Venn diagram below represents the […]
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Probability
Probability Experimental probability = No of required outcomes / No of possible outcomes Ex 1 A die is rolled 200times. […]