下面为大家整理的是两道SAT数学练习题目及答案分析的内容。SAT数学题目的知识点是大家已经学习过的，但是如何应用到SAT数学特别的用法中则需要大家更多的练习才能掌握。下面我们就一起来看看这两道SAT数学题的详细内容吧。

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　　1.A group of workers can harvest all the grapes from square meters of a vineyard in minute. At this rate, how many minutes will the group need to harvest all the grapes from square meters of this vineyard?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　2.The projected sales volume of a video game cartridge is given by the function where is the number of cartridges sold, in thousands; is the price per cartridge, in dollars; and is a constant. If according to the projections, cartridges are sold at per cartridge, how many cartridges will be sold at per cartridge?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　Explanation

　　1.The correct answer is A

　　Since square meters is times square meters, times as much time is needed to harvest the grapes from the square meters of vineyard. minute , which equals minutes.

　　2.The correct answer is C

　　For cartridges sold at per cartridge, (since is the number of cartridges sold, in thousands) and . Substituting into the equation yields.

　　Solving this equation for yields　

.

　　Since is a constant, the function can be written as . To determine how many cartridges will be sold at per cartridge, you need to evaluate . Since is given in thousands, there will be cartridges sold at per cartridge.

　　以上就是关于SAT数学练习题目及答案分析的全部内容，答案的分析非常详细。大家可以在备考自己的SAT数学考试的时候，进行适当的练习和应用。

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