Find the slope of the line through (1,2) and (4,8).

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Multiple Choice

Find the slope of the line through (1,2) and (4,8).

Explanation:
Slope is how much y changes for a unit change in x. For two points on a line, slope m = (y2 − y1) / (x2 − x1). Here y2 − y1 = 8 − 2 = 6 and x2 − x1 = 4 − 1 = 3, so m = 6/3 = 2. The positive value means the line rises as x increases, which matches the given points. The slope is 2.

Slope is how much y changes for a unit change in x. For two points on a line, slope m = (y2 − y1) / (x2 − x1). Here y2 − y1 = 8 − 2 = 6 and x2 − x1 = 4 − 1 = 3, so m = 6/3 = 2. The positive value means the line rises as x increases, which matches the given points. The slope is 2.

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