1. What is the distance, in coordinate units, between 3 + 6i and -2 + 3i in the complex plane?
2. If 38x = 813x-2, what is the value of x?
3. The picture shown below has a uniform frame-width of inches. What is the approximate area, in square inches, of the viewable portion of the picture?
4. A horse eats 12 bales of hay in 5 days. At this rate, how many bales of hay does the horse eat in 5 + x days?
5. When graphed in the standard (x, y) coordinate plane, the lines x = -5 and y = x - 5 intersect at what point?
6. Which of the following expresses the number of miles a runner must travel in a 4-lap race where the course is a circle of radius m miles?
7. For some real number n, the graph of the line y = (n + 1)x + 6 in the standard (x, y) coordinate plane passes through (4,8). What is the value of n?
8. A computer repair person charges $50.00 per hour, plus an additional mileage fee. The charge for mileage varies directly with the square root of the number of miles traveled. If one hour plus 25 miles traveled costs $140.00, what is the total amount charged for one hour plus 36 miles traveled?
9. The table below shows the numbers of rows and columns in each of 5 matrices.
For distinct values of a, b, and c, which of the following matrix products is NOT possible?
10. A triangle, ÎABD, is reflected across the line y = x to have the image ÎAâ²Bâ²Dâ² in the standard (x, y) coordinate plane: thus A reflects to Aâ². The coordinates of point A are (m, n). What are the coordinates of point Aâ²?