College Algebra CLEP Prep Practice Exam

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Prepare for the College Algebra CLEP Test with our comprehensive practice exam. Study with flashcards and multiple choice questions, each offering clues and detailed explanations. Achieve your best score and excel in your exam!

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Which of the following equations represents a line that is parallel to y=2x+4?

y=-2x+2
y=1/2x+5
y=3x-8
y=-1/2x+2

The correct answer is: y=1/2x+5

A line that is parallel to y=2x+4 will have the same slope, or rate of change, which is 2. This means that the correct equation must have a slope of 2. Option A has a slope of -2, which is the opposite direction of a parallel line. Option C has a slope of 3, which is not equal to 2. Option D has a slope of -1/2, which is the opposite direction and a different magnitude than 2. Option B has a slope of 1/2, which is the same magnitude as 2, but in the opposite direction. Therefore, it is not a parallel line. The correct equation would have to have a slope of 2, which is double the slope of option B.