Geometry puzzle

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Across
  1. 4. the slope of ___ lines are opposite reciprocals
  2. 5. they are equations that have the same solutions
  3. 10. exponents raised to 0 is
  4. 11. to use Pythagorean theorem the triangle have to be a ___ triangle
  5. 13. they have the same slope but different y-intercepts
  6. 15. this form is called: Y=Mx+B
Down
  1. 1. this fir is called: A2+B2=C2
  2. 2. The Pythagorean theorem states that the sum of the squares on the legs of a right triangle is equal to the square of the hypotenuse
  3. 3. it’s the longest part of a right triangle
  4. 6. this form is called: Ax+Bx=Cx
  5. 7. the slope of a vertical line
  6. 8. A ___ is a equation that states a relationship
  7. 9. this form is called: y-y1=M(x-x1)
  8. 12. what does M stand for in Y=Mx+B
  9. 14. these are what we call A and B in a right triangle