Algebra 1 Crossword Puzzle

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Across
  1. 1. The most common value in a collection
  2. 8. A straight line, or an equation or expression whose graph is a straight line.
  3. 9. An equation with four or more terms.
  4. 12. An equation with two terms.
  5. 13. A mathematical sentence that uses one of the symbols <, >, ≤, or ≥.
  6. 14. The top number or expression in a fraction.
  7. 16. An image formed by plotting the solutions to an equation or inequality, or some other set of pairs of numbers, on a coordinate plane.
  8. 18. The average of a collection of data values. This can be computed by adding all the values and then dividing by the number of values.
  9. 19. The process of eliminating the variables in order to solve an equation.
  10. 20. An equation with three terms.
Down
  1. 2. The bottom number or expression in a fraction.
  2. 3. The process of substituting the variables in order to solve an equation.
  3. 4. A number that measures how steep a line is. It shows the amount of change in the height of the line as you go 1 unit to the right. The equation for this line is y=mx+b.
  4. 5. Each of the four sections of a coordinate plane made by the intersecting x- and y-axes. The four sections are labeled I, II, III, and IV, counterclockwise from the top right.
  5. 6. An equation with one term.
  6. 7. The horizontal line running through the origin on a coordinate plane.
  7. 10. The middle number in an ordered list of data values. If there are an even number of values, it is halfway between the two middle numbers in the list.
  8. 11. A letter (like x) that we can use to mean different numbers at different times.
  9. 15. In a power, the number of times the base is multiplied by itself.
  10. 17. The vertical line running through the origin on a coordinate plane.