本题目来源于试卷: Tools & Inquiries G.2 Mathematics Tools，类别为 IB化学
[单选题]
Which statement best de 1u:2h tc 7xpxlscr mj3v;.dp9 7foisx4h vwv v7v 1ibes the relationship between x and y on the graph below?
xs do h37 fjvi1v.wmv7v;49v p
A. $x$ and y are directly proportional
B. There is a positive correlation between x and y
C. There is a negative correlation between x and y
D. $x$ is dependent on y
参考答案: B
本题详细解析:
y increases with x, and so, there is positive correlation between them with y bex9jgaffqp-c w3; hc 24a-s 8nhing dejf-3 c ag-4shwphn2 qa;8 9cfxpendent on x.
It is not directly proportional as it is not a straight line that starts at the origin.
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