linear equations

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Across
  1. 5. a mathematical equation that contains the symbols <>.
  2. 11. the point in the coordinate plane where the horizontal axis intersects the vertical axis
  3. 13. a linear equation must have one or two________
  4. 17. when the line on a graph is straight
  5. 18. formed by two real number lines that intersect at a right triangle
  6. 21. the method of eliminating one variable by adding or subtracting two equations with a common term is called the _______ method
  7. 22. the ________ method involves expressing one variable in terms of the other variable and substituting an expression into another equation
  8. 24. if the line on a graph is headed upward it is
  9. 25. equation that have the same solutions
  10. 27. the equation of a line in the form of y-y1=M(x-x1)
  11. 28. a table used to organize input and output numbers and the function rule
  12. 30. the point in the line where it intercepts with the y axis
  13. 31. what property is 3+4=4+3
  14. 33. a linear equation in the form of Y=Mx+B where M and B are not zero
  15. 35. the opposite of division
  16. 36. the line is _______ when the slope is undefined
  17. 37. what can you find using the slope formula
  18. 39. a symbolic form made up of constants, varibles and operations
  19. 40. when the line on a graph is not straight
  20. 42. the line is ______ when the slope is zero
  21. 43. positive integers together with zero
  22. 44. one of the four regions of a graph in which the axes divide into a coordinate plane
  23. 45. whole numbers are _______
  24. 46. the vertical change when the slope of a line is expressed as the ratio rise over run
  25. 47. an equation is ______ if it has no grouping symbols and if all the like terms are combined
  26. 48. the horizontal change when the slope of a line is expressed as the ratio rise over run
Down
  1. 1. a statement formed by placing and = between two expressions
  2. 2. the set of output values for a function
  3. 3. a letter used to represent a number
  4. 4. two operations that undo each other
  5. 6. the second number in an ordered pair
  6. 7. a linear equation in the form of Ax+By=C is called ________ form
  7. 8. the opposite of division
  8. 9. how level the line is
  9. 10. you can solve a system of linear equations using the graphical method by finding the point of _______
  10. 12. when a system of equations has no solutions, it is called a ________ system
  11. 14. if the line on a graph is headed downward it is
  12. 15. a system of linear equations can have a _______ solution, no solution or infinitely many solutions
  13. 16. what is this form: Y=Mx+B
  14. 19. the x coordinate of a point where a graph crosses the x axis
  15. 20. which property is 2(x+5)=2x+10
  16. 23. an equation for which the graph is a straight line
  17. 26. a relationship in which each element of the input is paired with exactly one element of the output according to a specified rule
  18. 29. the positive integers
  19. 32. the first number in a ordered pair
  20. 34. the x and y value for a point on a graph
  21. 38. when a system of linear equations has an infinite number of solutions, it is called a _________ system
  22. 41. terms in an expression that have the same variable raised to the same power