According to the Research on the Use of Diagrams in Problem

question 70

Multiple Choice

According to the research on the use of diagrams in problem solving,

• A) diagrams are often helpful because they can convey information in a clear way.
• B) a hierarchical tree diagram is a list of steps that must be followed in solving a problem.
• C) the most effective way to use diagrams is to construct a matrix representing all possible combinations of options.
• D) people seldom solve problems by using diagrams, because verbal representations are much more appealing.

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Definitions:

Mathematical Formula

An equation or expression representing a relationship between mathematical symbols and quantities.

Hydrogen Ion Concentration

A measure of the acidity or alkalinity of a solution, often expressed in terms of pH.

pH

A measurement system designed to indicate the level of acidity or alkalinity in water-based solutions, ranging from 0 (highly acidic) to 14 (highly alkaline), with the midpoint, 7, representing a neutral pH.

Buffer

A solution that resists changes in pH when acid or alkali is added to it.