Question 465594
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Hi,
a square garden has a side of (x-7y)m. what would be the effect on it's area if the lenght is doubled.
A(square) = side^2 = {{{highlight((x-7y)^2)}}}
length doubled
 A = [2(x-7y)]^2 = {{{highlight(4(x-7y)^2)}}}  
That is the Area would increase by 4 times (the effect of squaring the 2)
for ex: tripling the length would result in Area increasing by 9 times