Algebra

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Across
  1. 8. A relationship where the dependent y values decrease as independent x values increase
  2. 9. the x-coordinate of a point where a line intersects the x-axis
  3. 10. A trend line that shows the relationship between 2 sets of data most accurately
  4. 12. An unknown number represented by a letter
  5. 14. A method of solving a system of equations by adding or subtracting equations to get rid one of the variables
  6. 15. Graphical representation of the relationship between two numerical sets of data
  7. 16. y – y1 = m(x – x1), where m is the slope and (x1,y1) is the point
  8. 17. b2 – 4ac
  9. 19. ax+by=c
  10. 20. The highest or lowest point, sometimes called maximum or minimum of a parabola.
Down
  1. 1. the y-coordinate of a point where a line intersects the y-axis
  2. 2. A set of x-values for which a function or relation is defined.
  3. 3. A set of y-values for which a function or relation is defined.
  4. 4. A method of solving a system of equations by replacing a variable with an equivalent expression
  5. 5. No relationship between the dependent y values and independent x values
  6. 6. y=kx
  7. 7. y = a(x - h)2 + k, common point to join the two line segments.
  8. 11. A vertical line that divides a parabola into 2 congruent halves
  9. 13. One input to every output
  10. 18. The line that an exponential function NEVER crosses