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新SAT数学OG样题-Multiple choice题型例题（1）

小站教育2017-06-08 15:32:33

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摘要：从今天起，小站SAT频道分享新SAT数学Multiple choice题型OG样题，需要的同学自行练习哦~

Line £ is graphed in the xv-plane below.

新SAT数学OG样题-Multiple choice题型解析汇总，点击查看

If line l is translated up 5 units and right 7 units, then what is the slope of

the new line?

Content: Heart of Algebra

Key: B

Objective: You must make a connection between the graphical form of a

relationship and a numerical description of a key feature.

Explanation: Choice B is correct. The slope of a line can be determined by

finding the difference in the y-coordinates divided by the difference in the

x-coordinates for any two points on the line. Using the points indicated,

the slope of line l is - . Translating line l moves all the points on the line

the same distance in the same direction, and the image will be a line parallel

to £. Therefore, the slope of the image is also - .

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