(A) Unit 4 Analytic Geometry (2)

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Across
  1. 4. coplanar lines that meet at right angles
  2. 5. standard form of an equation
  3. 7. slope intercept form of equation
  4. 8. a point that divides a line segment into two congruent parts
  5. 13. a number that describes the steepness of a line
  6. 15. the line segment that connects the midpoints of two sides of a triangle
  7. 17. a parallelogram with 4 congruent sides.
Down
  1. 1. a quadrilateral with two pairs of parallel sides
  2. 2. a quadrilateral with exactly one pair of parallel sides
  3. 3. a midsegment of a triangle is parallel to the third side and is half the length of the third side.
  4. 6. (x1+x2)/2,(y1+y2)/2
  5. 9. coplanar lines that never intersect
  6. 10. point slope form of equation
  7. 11. m=(y2−y1)/(x2−x1)
  8. 12. the point where sides of a polygon intersect
  9. 14. a closed figure in a plane formed by three or more lines
  10. 16. a parallelogram with 4 right angles.