SOLUTION: If the side length of a square can be represented by 2x + 10 and its area is 256 square units, find the value of x.
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Question 463216: If the side length of a square can be represented by 2x + 10 and its area is 256 square units, find the value of x.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
If the side length of a square can be represented by and its area is , find the value of .
the area is
...use quadratic formula
use only positive solution because the length cannot be negative
so, the length is: ....->...
the area is
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