FTCE General Knowledge Math Practice Test

The top part of a fraction is known as the numerator. It represents the number of parts being considered out of a total number of equal parts. When dealing with changes in coordinates, such as \( \Delta Y \) in a slope formula or a rate of change, the numerator typically captures the vertical change or the difference in the Y coordinates. This is essential in understanding how the values relate to one another, particularly in mathematical concepts such as slope and rates. In the context of the fraction, the numerator serves as the indicator of how much change occurs in relation to the total represented by the denominator, which is the bottom part of the fraction.