基礎math-u06-d01
The slope of the straight line through the points (1, 2) and (4, 8) is:
A. 2✓ 答案
B. 3
C. 1/2
D. 6
解說
Slope = change in y divided by change in x = (8 - 2)/(4 - 1) = 6/3 = 2.
Slope = change in y divided by change in x = (8 - 2)/(4 - 1) = 6/3 = 2.