Math 18
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Question 1 of 8
1. Question
Question 1:
In the standard (x,y) coordinate plane, point M, with coordinates (3,8), is the midpoint of segment BC, where C has coordinates (8,2). What are the coordinates of B?
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Question 2 of 8
2. Question
Question 2:
What is the greatest integer smaller than √71?
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Question 3 of 8
3. Question
Question 3:
If point M has a nonzero xcoordinate, a nonzero ycoordinate, and the product of the x and ycoordinates is positive, then point M must be located in which of the 4 quadrants shown?
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Question 4 of 8
4. Question
Question 4:
Cube K has an edge length of 5 inches. Cube J has a cube length triple that of cube K. What is the volume, in inches, of cube J?
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Question 5 of 8
5. Question
Question 5:
If there are 3×10^{16} oxygen molecules in a volume of 6×10^{3} cubic centimeters, what is the average number of oxygen molecules per cubic centimeter?
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Question 6 of 8
6. Question
Question 6:
Which of the following is a rational number?
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Question 7 of 8
7. Question
Question 7:
[NonCalculator Question] In a certain game, a player can attempt easy or hard levels. A player wins 40 points for completing easy levels and 80 points for completing hard levels. Josh has completed a total of 48 levels, earning 2280 points total. How many hard levels did Josh complete?
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Question 8 of 8
8. Question
Question 8:
[Calculator Question] In the xy plane, the line determined by the points (3,L) and (L, 75) passes through the origin. Which of the following values could be the value of L?
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