Chapter 5 Crossword Math Project

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Across
  1. 2. the x-intercept is the x-coordinate of a point where a graph crosses the x-axis.
  2. 9. positive correlation is when y tends to increase as x increases, the two sets of data have a positive correlation.
  3. 10. no correlation is when x and y are not related , the two sets of data have.
  4. 12. the slope-intercept form of a linear equation of a nonvertical line is y=m(slope)x+b(y-intercept).
  5. 13. extrapolation is predicting a value outside the range of known values.
  6. 14. a linear equation is an equation that models a linear function.
Down
  1. 1. negative correlation is when y tends to decrease as x increases, the two sets of data have a negative correlation.
  2. 3. interpolation is estimating a value between two know values.
  3. 4. y-intercept of a graph is the y-coordinate of a point where the graph crosses the y-axis
  4. 5. scatter plot is a graph that relates two different sets of data by displaying them as ordered pairs.
  5. 6. causation is when a change in one quantity causes a change in a second quantity
  6. 7. shows the relationship between two changin
  7. 8. the rate of change is the slope of the line
  8. 9. parallel lines are lines in the same plane that never intersect.
  9. 11. a direct variation is a relationship that can be represented by a function in the form y=kx=0.