An algebra problem by Mohammad Saif

Algebra Level 2

The square of a positive number is equal to the cube of half of the same number. Find the number.


The answer is 8.

Mohammad Saif by Mohammad Saif , 22, India

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2 solutions

Sophie Crane
Oct 24, 2014

I would like to say that this has two solutions: 8 and 0.

2 Helpful 0 Interesting 0 Brilliant 0 Confused

Hello & peace be upon you,

let x = the unknown number,

x^2 = ( 0.5x ) ^ 3

x^2(1) = ( 1 / 8 ) x . x^2

x = 8(1) = 8

therefore, x = 8....

2 Helpful 0 Interesting 0 Brilliant 0 Confused

maybe it must be 0.5(x)^3 must not include 0.5 in the parenthesis idiot!

Mark Lawrence Ureta - 6 years, 8 months ago

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