SAT-Mathematics無料問題集「SAT Section Two : Mathematics」

質問 1

A box contains five blue pens, three black pens, and two red pens. If every time a pen is selected, it is
removed from the box, what is the probability of selecting a black pen followed by a blue pen?

正解：E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

If 2a2 + b = 10 and - what is the positive value of a?

正解：

3
Explanation/Reference:
Solve2a2+b= 10 for b:b=10-2a2. Substitute (10-2a2) for b in the second equation and solve for a:

The positive value of a is 3

質問 3

A number cube is labeled with the numbers one through six, with one number on each side of the cube.
What is the probability of rolling either a number that is even or a number that is a factor of 9?

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

The area of one square face of a rectangular prism is 121 square units. If the volume of the prism is 968
cubic units, what is the surface area of the prism?