All ISEE Upper Level Quantitative Resources
Example Questions
Example Question #1 : Prisms
is a positive number. Which is the greater quantity?
(A) The surface area of a rectangular prism with length , width , and height
(B) The surface area of a rectangular prism with length , width , and height .
Possible Answers:
(A) and (B) are equal
(B) is greater
(A) is greater
It is impossible to determine which is greater from the information given
Correct answer:
(A) is greater
Explanation:
The surface area of a rectangular prism can be determined using the formula:
Using substitutions, the surface areas of the prisms can be found as follows:
The prism in (A):
Regardless of the value of , - that is, the first prism has the greater surface area. (A) is greater.
Ana
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All ISEE Upper Level Quantitative Resources
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