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# Pre-Cal 30S January 23, 2009

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Review of Circle Geometry and Analytic Geometry.

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### Pre-Cal 30S January 23, 2009

1. 1. Exam Rehearsal: Circle Geometry Mandala - the pattern of creation by ﬂickr user Carf
2. 2. Given: AP and AQ are tangents BS = RE 2 = 5 Prove that BC = ED Justify every step in your solution.
3. 3. What is the measure of angle x? (a) 55° (b) 70° (c) 140° (d) 220° (e) none of these
4. 4. Determine the value of x. (a) 30° (b) 60° (c) 90° (d) 120° (e) none of these
5. 5. Find the measure of angle x. (a) 25° (b) 32.5° (c) 50° (d) 65° (e) 90°
6. 6. Determine the measure of angle x, in degrees. (a) 75° (b) 80° (c) 95° (d) 100° (e) none of these
7. 7. Determine the measure of angle x, in degrees. (a) 40° (b) 60° (c) 80° (d) 90° (e) 100°
8. 8. ANALYTIC GEOMETRY
9. 9. LONG ANSWER The lines y = 3x + 1 and y = 3x - 9 are parallel. Determine: (c) the shortest distance between the two lines. (b) the horizontal distance between the two lines. (a) the vertical distance between the two lines.
10. 10. LONG ANSWER The lines y = 3x + 1 and y = 3x - 9 are parallel. Determine: (c) the shortest distance between the two lines. (b) the horizontal distance between the two lines. (a) the vertical distance between the two lines.
11. 11. Find the point of intersection of the graphs of y = x - 7 and y = 3x + 1. (a) (6, -1) (b) (3, -1) (c) (-4, -11) (d) -1, -4) (e) none of these
12. 12. The point (3, 2) is the midpoint of (x, y) and (5, 1). Find the point (x, y). (a) (3, 1) (b) (10, 2) (c) (d) (1, 3) (e) none of these