We
10. Higher Order Thinking A carpenter plans to extend the length a
rectangular desk by 7 feet. Let x represent the desk's original leng
The expression 9(x + 7) represents the area of the desk's surface,
where 9 is the width, in feet, and (x + 7) represents the extended
length, in feet, of the desk. The carpenter thinks that the area a
extended portion of the desk is 16 square feet.
Which choice below includes the expanded form of the area
expression for the desk's surface and the correct area of the
extended portion of the desk's surface?
A 10x + 16 and 10x square feet
® 9x + 63 and 9x square feet