Starter quiz

  • The calculation 6(20) - 8 would find the 20^\text{th} ______ of the sequence 6n-8.
    • 'term' ✓
  • Which of these describe features of the sequence 5n-9?
    • It has a constant difference of +5  ✓
    • It decreases by 9 each time.
    • The terms always end in the digits 1 or 6  ✓
    • The positive terms always end in the digits 1 or 6
    • It starts at -4  ✓
  • What is the 75^\text{th} term of the sequence 6n-17?
    • 675 - 17 = 658
    • 6 + (75) - 17=64
    • 6(75) - 17 = 300 - 17 = 433  ✓
    • (6 - 17)75 = -11 \times 75 = -825
  • What happens when you plot an arithmetic sequence?
    What happens when you plot an arithmetic sequence?
    • You get a straight line of values.  ✓
    • You get a decreasing pattern of values.
    • You get a curve.
    • You might see points in two quadrants.  ✓
    • You might plot points in all four quadrants.
  • Calculate the 200^\text{th} term of 17.96-0.32n. You may use a calculator.
    • 81.96
    • 3528
    • -81.96
    • -46.04  ✓
  • Put these term values in order of size. Start with the smallest.
    • 1
      ⇔
      The 80^\text{th} term of the sequence 6n-35
    • 2
      ⇔
      The 50^\text{th} term of the sequence 596-3n
    • 3
      ⇔
      The 60^\text{th} term of the sequence 9n-88
    • 4
      ⇔
      The 95^\text{th} term of the sequence 5n-11
    • 5
      ⇔
      The 50^\text{th} term of the sequence 9n+19
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