Coordinate Plane

The crossword puzzle for my 3rd Quarter Project ;)

	1
			2		3
				4

							5
6
						7

		8

		9

10

		11

						12

Across

4. If you plot the point (-1, -3) what quadrant is it in?

6. Is the point ( 1, 9) positive or negative?

7. How many quadrants does a coordinate plane have?

8. What is the horizontal line on the graph called?

9. what quadrant is in the top left of the graph?

10. If you plot the point (-1, -3) what quadrant is it in?

11. What is the vertical line on the graph called?

12. When was the coordinate plane invented?

Down

1. What is another name for the “Coordinate plane

2. What is the point (0,0) called?

3. Who created the Coordinate plane?

5. What is a job that uses the coordinate plane?

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