On Monday 9/12 we had a three-part quiz. Results are posted here.
Solutions by Golan and Craig can be found in the Quiz responses.

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Quiz 2011-09-14-A
// 10 points total:
// A series of lines are drawn on the canvas.
// Their endpoints are equally spaced.
// 9 points: Using an iteration structure.
// 1 point: Aesthetics / veracity of copy / attention to detail.
// You must reproduce this image as accurately as possible:
quiz-2011-09-14-a.jpg

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Quiz 2011-09-14-B
// 10 points:
// 6 points: A 10×10 grid of down-pointing isosceles triangles are drawn.
// 2 points: A single variable controls the size and spacing of the triangles;
// they are exactly as tall as they are wide, and they are spaced at intervals
// equal to one-and-a-half times their width.
// 2 points: Each row of triangles is a darker and darker gray;
// The top row is exactly white, and the bottom row is exactly black.
quiz-2011-09-14-b.jpg

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Quiz 2011-09-14-C
// 10 points total:
// 3 points: In a wide canvas, draw a sequence of 70 circles;
// they are spaced every 10 pixels across the screen.
// 7 points: Each circle’s vertical position is randomly displaced from that of the previous one.
quiz-2011-09-14-c.jpg