Starter quiz

  • An arithmetic (linear) sequence has a __________ difference.
    • constant  ✓
    • variable
    • unknown
    • positive
  • Which two pairs of coordinates are shown here?
    Which two pairs of coordinates are shown here?
    • (1,2) and (2,4)
    • (1,2) and (4,2)
    • (2,1) and (2,4)
    • (2,1) and (4,2)  ✓
    • A
      ⇔
      (1,4) ✓
    • B
      ⇔
      (4,1) ✓
    • C
      ⇔
      (4,-1) ✓
    • D
      ⇔
      (1,-4) ✓
  • Which of these are true for this sequence?
    Which of these are true for this sequence?
    • When n=1, T=3  ✓
    • When n=5, T=2
    • When n=3, T=7  ✓
    • When n=5, T=5
    • When n=5, T=11  ✓
  • Match the sequences with the common difference.
    • 1, 8, 15, 22, ...
      ⇔
      +7 ✓
    • 1, -6, -13, -20, ...
      ⇔
      -7 ✓
    • 36, 30, 24, 18, ...
      ⇔
      -6 ✓
    • -39, -33, -27, -21, ...
      ⇔
      +6 ✓
    • 0, 3, 7, 12, ...
      ⇔
      No common difference. ✓
    • -17, -9, -1, 7, ...
      ⇔
      +8 ✓
  • What is true of this set of coordinates?
    What is true of this set of coordinates?
    • The x coordinate is always double the y coordinate.
    • The y coordinate is always double the x coordinate.  ✓
    • The y coordinate is always two more than the x coordinate.
    • As the x coordinate increases by 1, y increases by 2  ✓
+