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Grade 8 Algebra: Rate of Change from Two Points on a Graph

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Level 3

Graphs in context

  1. 1. Rate of change (x = hours, y = miles walked):
    112233445566778899xy
  2. 2. Rate of change (x = weeks, y = plant height in cm):
    1122334455667788xy
  3. 3. Rate of change (x = minutes, y = liters left):
    112233445566778899xy
  4. 4. Rate of change (x = tickets, y = dollars):
    1122334455667788xy
  5. 5. Rate of change (x = days, y = gallons of water):
    1122334455667788xy
  6. 6. Rate of change (x = hours, y = inches of snow):
    1122334455667788xy
  7. 7. Find the slope, then the y-intercept:
    −5−5−4−4−3−3−2−2−1−11122334455667788xy
  8. 8. Find the slope, then the y-intercept:
    −5−5−4−4−3−3−2−2−1−1112233445566xy