College Algebra CLEP Prep Practice Exam

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The graph of y = 4x - 5 is translated _____ units vertically?

4
-4
5
-5

The correct answer is: -4

When a number is subtracted from the equation, it indicates a vertical transformation. In this equation, 5 is the y-intercept, which means that all the points on the graph of y = 4x - 5 are shifted down 5 units. Since the answer is asking for how many units the graph is translated vertically, the correct answer is -4, which represents a shift downwards of 4 units from the original position. The other options, such as 4, 5, and -5, do not accurately represent the vertical shift as they either do not indicate a vertical translation or indicate a shift of a different amount. Therefore, the correct answer is B.