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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Tuesday, 11 July 2023

GRADIENT K1

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  Find the slope of a line which passes through (-3, -4) and (8,-11)   Solution   x 1  = -3,  y 1  =-4,  x 2  = 8,  y 2  = -11   m =  y2 –y1...

ALGEBRA K1

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  Multiply 2x - 7y by -5a   solution   = -5a(2x - 7y)   = (-5a x 2x) + (-5a x -7y)   = - 10ax + 35ay      [since -5a x -7y = +35ay ]   TR...

FUNCTIONS K1

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  If f(x) = x 4 + kx 2 + 6x + 7 has a remainder of 22 when divided by x+2; find k.   solution   f(x) = x 4 + kx 2 + 6x + 7   x + 2 = 0  ...

LOGARITHMS K2

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  Evaluate Log100000 +  log   0.00001 + log 3 243   Solution   = Log100000 +  log   0.001 + log 3 243   = Log10 5  +  log   10 -3  + log 3 3...

EXPONENTIALS K1

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  If 5 2w (40 w ) = 1000000 ; Find w. Solution 5 2w (40 w ) = 1000000 (5 2 ) w (40 w ) = 10 6 (25) w (40 w ) = 10 6 (25 x 40) w = 10 6 ...

FACTORS K1

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  Evaluate using factors 1168 2 – 832 2 Solution We apply the difference of two squares: a 2 - b 2 = (a-b)(a+b). 1168 2 – 832 2 = ...

EXPONENTIALS K1

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  If 5 2w (40 w ) = (0.000001) 20 ; Find w.   Solution   5 2w (40 w ) = (0.000001) 20 ;   (5 2 ) w (40 w ) = (10 -6 ) 20 ;   (25) w (...

VARIATION K1

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  x is inversely proportional to y. x=54 while y=5. Find y when x is 9.   Solution   x ⍺ k       y   x = k       y   54 = k         5   k =...
Friday, 2 June 2023

LOG J3

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  If Log a x = 56, find Log a ( 1 /c)   Solution   = Log a ( 1 /c)   = Log a c -1   = -1 x Log a c   = -1 x 56   = -56 answer   TRY THIS………....
Wednesday, 31 May 2023

GEOMETRY J1

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  An interior angle of a regular polygon is 76 0 greater than an exterior angle. Find the interior angle.   Solution   Let i = interior ang...
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