College Algebra CLEP Prep Practice Exam

Question: 1 / 410

What is the slope of the line with points (2, -1) and (4, 1) ?

–1/2

To find the slope of a line, we use the formula (y2-y1)/(x2-x1), where (x1,y1) and (x2,y2) are the coordinates of the two given points. In this case, that would be (2, -1) and (4, 1). Plugging in the values, we get (1-(-1))/(4-2) = 2/2 = 1. Therefore, the slope of the line is 1, which is equivalent to 1/1.

The incorrect options are

- B: –2, which is the y-value difference divided by the x-value difference in the reverse order.

- C: 1/2, which omits the negative sign and is also the y-value difference divided by the x-value difference in the reverse order.

- D

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–2

1/2

2

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