John Is Nearsighted and Cannot See Things Beyond 110 Cm

question 98

Multiple Choice

John is nearsighted and cannot see things beyond 110 cm from his eyes. What is the focal length of the contact lenses that will enable him to see distant objects clearly?

• A) +50 cm
• B) -50 cm
• C) -110 cm
• D) +110 cm
• E) -30 cm

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Definitions:

Direct Correlation

A relationship where an increase in one variable is associated with an increase in another, indicating a positive linear relationship.

Scatterplot

A graphical representation using dots to show the relationship between two quantitative variables.

Variables

Elements or characteristics within a study or research that can change and potentially impact the study's results.

Negative Correlation

A relationship between two variables whereby they move in opposite directions.