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What is the slope of the line y=5?

  1. 0

  2. 6

  3. 5

  4. -5

The correct answer is: 0

The slope of a line represents the change in y values for a given change in x values. In the given equation, y=5, the line is a horizontal line with a y-intercept of 5, meaning that the value of y remains constant at 5 regardless of the value of x. Therefore, there is no change in y values and the slope is 0. Option B, 6, is not a valid slope for this line as it would result in a non-horizontal line. Option C, 5, is the y-intercept and not the slope. Option D, -5, is the negative of the y-intercept which does not represent the slope of the line.