Math Word of the Day - Week of November 22

Math Word of the Day comes from the Math Dictionary written by Mathnasium.

Constant of Variation

Sunday, November 22

A fixed number (a constant) that relates quantities being multiplied and/or divided.

Examples:

• In xy = 12, 12 is the constant of variation
• In x/y = 6 and x = 6y, 6 is the constant of variation 
• In z/xy = 3 and z = 3xy, 3 is the constant of variation  

Continuum 

Monday, November 23

A continuous series; a whole. 

Coordinates 

Tuesday, November 24

A set of one, two, or three numbers used to determine the position of a point in a 1-, 2-, or 3-D frame of reference.  

Coefficient of Correlation 

Wednesday, November 25

A statistical measure that relates how well a set of data points can be modeled by a trend line.

Cosine  

Thursday, November 26

The trigonometric function that is defined as the ratio of the leg adjacent to an angle to the hypotenuse of a right angle.

Counter Example

Friday, November 27

An example of a conditional statement in which the hypothesis is true and the conclusion is false.   

Counting 

Saturday, November 28

Determining "how many total." The process of determining quantity (how many, how much). Arithmetic is the "art of counting."