systems of equations crossword

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Across
  1. 1. The rate at which the y value of a linear function rises or falls as x increases.
  2. 5. An inequality that when graphed will form a line that divides the coordinate plane into a shaded region and unshaded region.
  3. 7. When the coefficients of one variable are opposites you add the equations to eliminate a variable and when the coefficients of one variable are equal you subtract the equations to eliminate a variable.
Down
  1. 1. if x = y, then x can be substituted in for y in any equation, and y can be substituted for x in any equation
  2. 2. Two lines that are co-planar and never intersect
  3. 3. A system of linear equation comprises two or more linear equations. The solution of a linear system is the ordered pair that is a solution to all equations in the system.
  4. 4. An equation that when graphed will form a line.
  5. 6. The number that is multiplied by the variable