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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Monday, 26 February 2018

LOGARITHMS 14

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Evaluate Log 2 (1024 ÷ 8). Solution = Log 2 (1024 ÷ 8) = Log 2 1024 -  Log 2 8          (applying the quotient rule) = Log...

VARIATIONS 1

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x is inversely proportional to y. x=14 while y=5. Find y when x is 7. Solution x ⍺ k       y x = k       y 14 = k  ...

A. P. 2

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The 1st term of an A.P. is 70 and the common difference is 97. Find the nth term. Solution A 1 = 70, d = 97 A n = A 1 + (n-1...

EXPONENTIALS 2

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If 50 2w (40 w ) = 1000000 8 ; Find w. Solution 50 2w (40 w ) = 1000000 8 (50 2 ) w (40 w ) = (10 6 ) 8 (2500) w (40...

SIMPLIFY 2

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Simplify: 5x + 90y + 2y - 80x solution = 5x + 90y + 2y – 80x = 5x– 80x + 90y + 2y = -75x + 92y or 92y-75x = 92y-75x ...

LOGARITHMS 13

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Simplify Log 2 8192 – Log 5 3125 Solution = Log 2 8192 – Log 5 3125 = Log 2 2 13 – Log 5 5 5  = 13Log 2 2 – 5Log 5 5  ...

SEQUENCES 1

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The nth term of a certain sequence is 11n-7. Find the 11 th term Solution A n = 11n-7 But n=11 A 11 = 11(11)-7   [since...

SIMPLIFY 1

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Simplify the expression   w 2  - t 2 / (w + t) Solution from difference of two squares p 2  - q 2  = (p - q)(p + q) = w 2  - ...

ANGLES 1

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If A and B are complementary angles such that A = 27° and B = x + 55° , find the value of x . Solution A + B = 90 0 . [Since comp...

EXPONENTIALS 1

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If 4 10 = 32 a-2 ; find a. Solution 4 10 = 32 a-2  (2 2 ) 10 = (2 5 ) a-2  2 20 = 2 5(a-2)  2 20 = 2 5a-10 2 ...
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