Linear equations in two variable

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Across
  1. 7. if x=a and y=b is solution of x-y + 2 and x+y =4 , then value of b is ____
  2. 9. Value of k for which the system of Linear equation 2x+ky+12 and x +3y -4 +0 are inconsistent is
  3. 11. _____Equations have degree 1
  4. 12. The method in which you find x any by substituting the terms
  5. 13. Two methods are used to find linear equations:____ and algebraic equation
  6. 15. The father is 6 times his sons age . Four years later the age of the father is 4 times his son. Find fathers present age
  7. 18. The name for the point (0,0)
  8. 21. Highest power of a variable in a polynomial is called its ____
  9. 23. Linear equations that has at least one equation
  10. 24. The method in which you find x and y by eliminating the terms
  11. 25. For what value of k do the equations 3x -y +8 =0 and 6x -ky +-16 represent coincident lines
  12. 26. y value `for equation 0+y = 8
  13. 28. A part of hostel monthly charges is fixed and remaining depends on number of days food is taken in the mess .Student A takes food for 20 days pays 1000 rupees and student B takes food for 26 days of 1180 rupees as charges .Find cost of food per day
  14. 29. If the lines are intersecting, the pair of linear equation has a ____ solution
Down
  1. 1. The other name of x axis
  2. 2. If the greatest exponent of a equation is one then the equation is said to be a ____ equation
  3. 3. When a1/a2 Is equal to b1/b2 is not equal to c1/c2 the lines are
  4. 4. Method of solving linear equation algebraically by cross-multiplying the terms
  5. 5. When a1/a2 Is not equal to b1/b2 the lines are
  6. 6. Other name of y axis
  7. 8. has 1 and 2 rupee coins. if total no of coins is 50 the amount of money with her is 75, then the number of 1 rupee coins are ____
  8. 10. Every solution of a linear equation in two variables is a point on the ____representing it
  9. 14. When a1/a2 Is equal to b1/b2 is equal to c1/c2 the lines are
  10. 16. When the equation has one solution
  11. 17. 5 Years ago A was thrice as old as B and 10 years later A shall be twice as old as B. What is a's present age?
  12. 19. A pair of values of x and y that satisfies the equations
  13. 20. A _____ is a polynomial of degree 0
  14. 21. When the equation has infinite number of solution
  15. 22. Linear equation that has no solution
  16. 27. Number of Methods of solving an equation algebraically