Grade 9 Maths - Crossword Puzzle

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Across
  1. 6. How many solutions can linear equations in 2 variable have?
  2. 8. Congruent angles formed by intersecting lines
  3. 10. If the two interior angles on the same side of a transversal intersecting two parallel lines are in the ratio 2:3,then the measure of the larger angle is _____(in words)
  4. 11. A ____is simply a location and is an undefined term.
  5. 12. Postulates are assumed universal truths specific to _____
  6. 14. The graph of every linear equations in 2 variable is a _____ line
  7. 15. If x = k+1,y= 2k-1 is a solution of the equation 3x-2y+7 =0,then the value of k is _____(in words)
  8. 16. The graph of the equation of the form ax+by=0 is a straight line passing through _____
  9. 18. If x=1 and y=1 is a solution of both the equations 2x-3ay+a²=0 and 4x-5ay+a²=0,then the value of a is ______ (in words)
  10. 19. Lines that are parallel to a given line are ________ to each other
Down
  1. 1. If a straight line falling on two straight lines makes the interior angles on the same side of it whose sum is 120°,then the two straight lines if produced indefinitely meet on the side on which the sum of the angles is _____ 120°
  2. 2. The highest power of a variable is called ______ of a variable
  3. 3. Two angles having a sum of of 90° is called _____
  4. 4. The positive solutions of the equation ax+by+c =0 always lie in the _____ quadrant
  5. 5. Ray that divides an angle into two equal parts
  6. 7. Every solution of a linear equation is a unique __________ on the graph of the linear equation
  7. 9. When two lines intersect,adjacent angles are _________
  8. 13. Two angles are supplementary.One of them is an acute angle.The other angle will be _____
  9. 17. Number of dimensions of a point
  10. 18. For every line ‘l’ and a point P not lying on it, the number of lines that pass through P and parallel to ‘l’ are ___(in words)