A Cross-Section of an Irrigation Canal Is a Parabola

question 173

Multiple Choice

A cross-section of an irrigation canal is a parabola. If the surface of the water is 33 ft wide and the canal is 5 ft deep at the center, how deep is it 1 ft from the edge?

• A) 0.3 ft
• B) 0.6 ft
• C) 4.7 ft
• D) 4.4 ft

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Definitions:

Cause-and-Effect

Cause-and-effect refers to the relationship between events or things, where one is the result of the other or others, typically serving as the reason something happens.

Experimental Method

A research technique in which an investigator manipulates one or more factors (independent variables) to observe the effect on some behavior or mental process (the dependent variable).

Correlational Studies

Research methods that examine the relationship between two or more variables to determine if a change in one variable is associated with a change in another.

Cause-and-Effect

A relationship where one event (the cause) directly results in another event (the effect).