各位小伙伴们在说到新sat考试不可缺少的高人气资料的时候,一个是可汗学院练习题,另一个就是新SAT考试指南(OG)了,两种资料的难度基本上都是持平的,今天小编为大家带来的就是新sat数学og答案汇总。
Line £ is graphed in the xv-plane below.
新
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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