Expressions Represented with Graphs
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A building block has the dimensions height Xcm, width (3+X) cm, depth Xcm
What espression, in terms of x, would represent the total surface area (A) of the block? Put the expression into the simplest terms.
Draw a graph, estimate a value for x, which will give a surface area of 175.5 cm squared.
Check your extimate of x by solving the equation when A = 175.5
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Solution Summary
The expressions represented with graphs are provided. The total surface of the block is found.
Solution Preview
There are six sides to the block,
two sides have the area = depth * width (Note: "*" means multiply)
two sides ...
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