College Math CLEP Prep Practice Exam

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What is the slope of the line y = 4?

-4
0
2
4

The correct answer is: 0

The slope of a line is the measure of its steepness and is often represented by the letter "m". In the equation y = 4, the value for y remains constant at 4 regardless of the value for x. This means that the line is horizontal and has no change in its y value, making its slope 0. Option A is incorrect because it is the negative value of what the slope of a horizontal line should be. Option C is incorrect because it is the positive value for what the slope of the line should be if it was increasing. Option D is also incorrect because it represents the slope of a line with a positive y-intercept, not a horizontal line. Therefore, the correct answer is B 0.