My crossword puzzle for math

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Across
  1. 3. The square root of 16
  2. 4. A ratio that compares the Change in the y- coordinate of a graph to the change if x- coordinate
  3. 5. coordinate plates topic: 4 ____
  4. 10. They are in the same position on the parallel lines in relation to the transversal
  5. 12. Any number that can be expressed as the ration of two integers excluding division by zero
  6. 14. What app do you use to find the order set of number from least to greatest or greatest to least
  7. 16. A function whose graph is a straight line
  8. 19. 700/4 divided by x/22 what is this called?
  9. 20. Vertical number line
Down
  1. 1. The longest side of a right triangle,opposite the right triangle
  2. 2. (0,0)
  3. 6. R represents
  4. 7. A set of order pairs is called
  5. 8. An ___ number can be expressed as an infinite , non-repeating decimal
  6. 9. Horizontal number line
  7. 11. Sides that create the right angle
  8. 13. What is the square root of 49
  9. 15. The measurement of a right angle is ____ degrees
  10. 17. The Pythagorean Theorem is used to find a missing side lengths on a ___ triangle
  11. 18. what does b mean in slope-intercept form