Math Mania 2001
- In the diagram shown, all angle measures are in degrees. Given that y = 80 degrees
and z = 120 degrees , find x.
- Find the next term in the sequence: 4, 5, 8, 17, 44, 125, ...
- If 2x3 - 9x2 + 15x + k is evenly divisible by x - 2, what is the value of k?
- Find the equation of the circle passing through the points (0,0), (1,7), and (2,4).
- Solve the equation |x + 2| = 2|x - 3|.
- How many six-digit numbers contain at least one 7 in their decimal expansion?
-
- x = 20 degrees
- 368
- k = -10
- x2 + 6x + y2 - 8y = 0 or (x + 3)2 + (y - 4)2 = 25
- x = 4/3 or 8
- 427608
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