A number is four times larger than the square of half the number. What is the number?

Question

6884 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-04-10T23:46:17

I tried this:

Let us call our number #x#; we get:

#x=4(x/2)^2#

#x=x^2#

#x^2-x=0#

#x(x-1)=0#

so we have two possibilities:

either: #x=0#
or: #x=1#

Answer 2 · 2018-04-10T23:50:55

#x=0 or x=1#

#x=4(0.5x)^2#
#x=4(0.25x^2)#
#x=x^2#

#x=0 or x=1#