Look at the square below:
Which expression represents its area?
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Look at the square below:
Which expression represents its area?
Remember that the area of the square is equal to the side of the square raised to the 2nd power.
Formula for the area of the square:
Then we substitute our values into the formula:
Look at the square below:
What is the area of the square?
The question asks for the expression that represents the area. is already a perfectly valid expression! Expanding it would make it longer without being more correct.
Look at the diagram - all four sides are equal, and all corners are right angles. Plus, the side length is labeled as 4+x on just one side, indicating all sides have this same length.
Yes! The formula works for any value of x. Just remember that area must always be positive, so 4+x must be positive for the square to exist.
Absolutely! Addition is commutative, so and are exactly the same. Both expressions are correct!
Because the side length isn't just 4 - it's 4+x. The variable x could represent any number, so we need to include it in our area calculation. If x=0, then yes, the area would be 4² = 16.
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