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What is the slope of the line represented by the equation y = 4x + 7?

  1. 4

  2. -4

  3. 7

  4. -7

The correct answer is: 4

The slope of a line represents its steepness or rate of change. In this equation, the slope is represented by the coefficient of the x variable, which is 4. The slope of this line is positive because the coefficient is positive. Option B is incorrect because it has a negative coefficient, which would represent a line with a negative slope. Option C is the y-intercept of the line, not the slope. Option D is also incorrect as it has a negative coefficient, resulting in a negative slope. Therefore, option A is the only correct answer for this question.