College Math CLEP Prep Practice Exam

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What is the equation of the y-intercept?

y=bx+c
y=mx+b
y=cx+b
y=b

The correct answer is: y=b

The equation of the y-intercept is typically written in the form y=mx+b, with m representing the slope and b representing the y-intercept value. The y-intercept value refers to the point where the line intersects the y-axis, or where the x-coordinate is equal to 0. This means that the y-intercept does not have a coefficient or variable attached to it, which eliminates options A, B, and C as they all contain a coefficient for the y-intercept term. Therefore, the correct answer is D, y=b, as b represents the y-intercept value without any additional terms or variables.