Let X Represent One Number and Let Y Represent the Other

question 137

Multiple Choice

Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.
-The difference between the squares of two numbers is 80. Twice the square of the second number subtracted from the square of the first number is 16. Find the numbers.

• A)12 and 8
• B)12 and 8; -12 and 8; 12 and -8; -12 and -8
• C)12 and 8; -12 and -8
• D)12 and 8; -12 and 8; 12 and -8

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Definitions:

Water Stress

A condition where the demand for water exceeds the available amount during a certain period or when poor quality restricts its use.

Water Worldwide

Refers to the global distribution, availability, and management of freshwater resources essential for human consumption, agriculture, and ecosystems.

Water Resources

The supply of water available for use by humans and ecosystems, including rivers, lakes, aquifers, and rainwater.

Channelization

The process of modifying the natural course of a waterway through engineering solutions to improve navigation, drainage, or flood control.