majoxx2008 majoxx2008 15-04-2022 Mathematics contestada Which definition of the slope of a line is correct?1. The slope of a line measures its strength.2. The slope of a line measures how the input (y) changes in relation to how the output (x) changes.3. The slope of a line measures its length.4. The slope of a line measures how the output (y) changes in relation to how the input (x) changes.