Why Did the Flying Saucer Have "U. F.O." Printed On It?

For each exercise, plot the three given points, then draw a line through them. The line, if extended,

will cross a letter outside the grid. Write this letter in each box containing the exercise number.

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1. (4, 5) (-2, -1) (0, 1)

2. (-4, 3) (2, -1) (5, -3)

3. (3, 0) (5, -6) (2, 3)

4. (-5, 2) (-2, 3) (1, 4)

5. (0, -2) (-5, -5) (5, 1)

6. (3, 0) (5, -6) (2, 3)

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M

7. (-1, -2) (-7, -6) (8,4)

8. (-3, 6) (0, 0) (3, -6)

9. (2, -2) (-4, 0) (5, -3)

10. (0, -6) (4, 6) (2, 0)

11. (-3,5) (0, 3) (-6, 7)

12. (-2,-5) (-7, -5) (8,-5)

PUNCHLINE • Bridge to Algebra

©2001, 2002 Marcy Mathworks

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Functions and Linear Equations and Inequalities:

The Coordinate Plane