College Algebra CLEP Prep Practice Exam

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Find the slope of the line that passes through (-3,2) and (1,-1).

-3
3
1/3
-1/3

The correct answer is: -1/3

The slope of a line can be found using the formula slope = (change in y) / (change in x) In this case, the change in y is from 2 to -1, which is -3. The change in x is from -3 to 1, which is 4. Therefore, the slope is -3/4. Option A, -3, is incorrect because it only represents the change in y and not the slope. Option B, 3, is incorrect because it does not take into account the change in x. Option C, 1/3, is incorrect because it does not correctly represent the negative change in y. Option D, -1/3, is correct because it represents the negative change in y over the change in x.