FTCE General Knowledge Math Practice Test

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What term refers to the bottom of a fraction that shows the change in the X coordinate?

Run
Rise
Slope
Ratio

The correct answer is: Run

The term that refers to the bottom of a fraction in the context of changes in the X coordinate is commonly known as "Run." In the calculation of slope for a line in a coordinate plane, slope is defined as the ratio of the change in the vertical direction (Rise) to the change in the horizontal direction (Run). Here, the Run indicates how much the X coordinate changes as you move from one point to another on the line. In the slope formula (Rise/Run), Run specifically quantifies the horizontal distance between two points, making it a crucial component for understanding how steeply a line ascends or descends. Recognizing Run as the denominator highlights its role in measuring horizontal movement, distinguishing it from the vertical movement measured by Rise.