College Math CLEP Prep Practice Exam

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What is the y-intercept of the line y = 4x + 8?

4
8
-4
-8

The correct answer is: 8

The y-intercept is the point where a line crosses the Y-axis, which in this case is +8. To find the y-intercept, you can look at the equation and set x to 0. This eliminates the x variable and leaves you with y = 8. This means that the line crosses the y-axis at a point of 8. The other options A, C, and D are incorrect because they do not represent the y-intercept of the line. Option A is the slope, option C is the negative slope, and option D is the negative version of the y-intercept.