Systems of Equations

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Across
  1. 3. plot or trace on a graph
  2. 5. roughly calculate or judge the value, number, or quantity
  3. 8. the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulas and equations
  4. 10. the process of adding a number to itself a certain number of times
  5. 12. a method of distributing a group of things into equal parts
  6. 13. a linear equation written in the form y= mx+b, where m represents slope and b represents the y intercept.
  7. 16. is a sentence with a minimum of two numbers and at least one math operation in it
  8. 17. Parallel lines on a graph indicates the equation has _________
  9. 18. a method of solving a system in which two equations are added together in a manner that will eliminate one of the two variables.
  10. 19. the rate at which the y value of a linear function rises or falls as x increases
Down
  1. 1. a symbol standing in for an unknown numerical value in an equation
  2. 2. an equation that when graphed will form a line
  3. 4. the process or skill of taking one number or amount away from another
  4. 6. a method for solving a system of linear equations in which the equivalent expression of a variable is substituted for that variable into the other equations
  5. 7. the number that is multiplied by the variable
  6. 9. Finding the total, or sum, by combining two or more numbers
  7. 11. a point where 2 or more lines intersect
  8. 13. two or more equations that share variables
  9. 14. Two lines that are co-planar and never intersect
  10. 15. the point of intersection for a system of equations a statement that the values of two mathematical expressions are equal (indicated by the sign =)