MATHEMATICS PROBLEM SOLVER

It is a site for parents, students and teachers. This site can help O-LEVEL or GCSE secondary school students in mastering mathematics subject. It intends to involve the learners by making them follow up the examples before they can do questions on their own at the TRY THIS.... section. There are some videos, tests, quizzes and past examination questions. Learning the examples will ultimately give students the required confidence in solving various questions in mathematics.

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Friday, 14 July 2017

PERFECT SQUARES 1

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What must be added to x 2  + 12x to make the expression a perfect square? Solution a=1, b=12,c=? b 2 = 4ac (12) 2 = 4 x 1...

LOGARITHMS 19

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Change the following into Logarithmic form. i)  4 3 = 64 ii)  2 3 = 8 iii)  7 0 = 1 Solution 4 3 = 64 ⇔ log 4 64 = ...
Thursday, 13 July 2017

VARIATION 2

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x is directly proportional to y. x=36 while y=4. Find y when x is 720. Solution x ⍺ y x = ky 36 = k x 4 36 = 4 k    ...

LOGARITHMS 18

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Simplify Log 2 1024 - Log 3 27 solution = Log 2 1024 - Log 3 27 = Log 2 2 10 - Log 3 3 3 = 10Log 2 2 - 3Log 3 3 = (10...

ALGEBRA 9

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Multiply 4x - 7y by -5a solution = -5a(4x - 7y) = (-5a x 4x) + (-5a x -7y) = -20ax + 35ay     [since -5a x -7y = +35ay ...

FUNCTIONS 5

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If f(x) = x 4 + kx 2 + 6x + 7 has a remainder of 24 when divided by x+2; find k. solution f(x) = x 4 + kx 2 + 6x + 7 x + 2...
Wednesday, 12 July 2017

ALGEBRA 8

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Divide 78ax + 6ay - 10az by 2a. Solution = 78ax + 6ay - 10az                2a = 39 78a x   +  3 6a y   -  5 10a z        [ ...

RECIPROCAL-4

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Find the reciprocal of m 13 Solution =   1            m 13 = 1 x 1 /m 13           = 1 x m -13      [since 1 /a n = a -...

FACTORIZING 10

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Factorize 2x 2 - x - 15 Solution = 2x 2 - x – 15.  We split the middle term (-x) We look for two items such that mxn =...

LOGARITHMS 17

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Evaluate Log 2 (256 ÷ 8). Solution = Log 2 (256 ÷ 8) = Log 2 256 -  Log 2 8          (applying the product rule) = Log 2 2...
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