Two Cars Start at the Same Point and Travel in the Same

question 1

Multiple Choice

Two cars start at the same point and travel in the same direction at average speeds of 65 miles per hour and 40 miles per hour. How much time (in hours) must elapse before the two cars are 87.5 miles apart?

• A) 3.5 hours
• B) 3.49 hours
• C) 1.35 hours
• D) \(0.83\) hour
• E) \(2.19\) hours

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Definitions:

Positive Slope

An upward trend in a line graph indicating an increase in one variable as another variable increases.

Xy Axis

The two perpendicular lines in a cartesian coordinate system that define the horizontal and vertical dimensions for plotting points in a plane.

Positive Correlation

A statistical relationship where two variables move in tandem; as one variable increases, the other does as well.

Bivariate

Involving or dependent on two variables, often used in statistical analyses to examine the relationship between two sets of data.