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23 June, 01:05

Tell whether the sequence is arithmetic. If it is, identify the common difference. - 7,-3, 1,5

A) Not arithmetic

B) Arithmetic, common difference is 4

C) Arithmetic, common difference is 9

D) Arithmetic, common difference is 7

Tell whether the sequence is arithmetic. If it is, identify the common difference.-9,-17, - 26,-33

A) Not arithmetic

B) Arithmetic, common difference is 8

C) Arithmetic, common difference is 9

D) Arithmetic, common difference is 7

Tell whether the sequence is arithmetic. If it is, identify the common difference. 19,8,-3,-14

A) Not arithmetic

B) Arithmetic, common difference is - 11

C) Arithmetic, common difference is 5

D) Arithmetic, common difference is 17

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Answers (1)
  1. 23 June, 03:15
    0
    -3 - (-7) = - 3+7 = 4

    1 - (-3) = 1+3=4

    5-1 = 4

    Arithmetic the common difference is 4

    -17 - -9 = - 17+9 = - 8

    -26 - -17 = - 26 + 17 = 9

    Not arithmetic

    8-19 = - 11

    -3-8 = -11

    -14--3 = -14+3=-11

    Arithmetic the common difference is - 11
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