KWL Sequences

An arithmetic sequence is...

• a sequence that has a constant difference

• a sequence that has a constant ratio

• a sequence that has some addition

• a sequence of numbers

A sequence is...

• a set of numbers

• a set of numbers with a constant difference

• a set of numbers that follows a pattern

• a set of numbers with a constant ratio

u_n = {a, b, c, ...} where a,b,c are constant values

• u_n is an arithmetic sequence

• u_n is an geometric sequence

• u_n is a sequence

• u_n is a set of numbers

For u_n = {1, 2, 3, 4, 5, 6, 7} , which is true?

• u_n is an arithmetic sequence

• u_n is a geometric sequence

• u_n has a positive difference

• u_n has a constant ratio

u₃ represents the...

• third sequence

• third term

• a sequence with a constant difference of 3

• a sequence with a constant ratio of 3

A geometric sequence has ...

• astrological consequences

• a constant difference

• awesome shapes

• a constant ratio

Which one of these is a set of numbers that are in arithmetic sequence?

• {1, 3, 4, 7, 11, 18, 29}

• {13, 9, 5, 1, -3, -7}

• {2, 4, 8, 16, 32, 64}

• {-4, 4, -4, 4, -4, 4, -4}

Which one of these is a set of numbers that are in geometric sequence?

• {1, 3, 4, 7, 11, 18, 29}

• {13, 9, 5, 1, -3, -7}

• {2, 4, 8, 16, 32, 64}

• {-4, 4, -4, 4, -4, 4, -4}

An easy way to find the common difference is...

• u_n+1 – u_n

• u_n – u_n+1

• u_n ÷ u_n+1

• u_n ÷ u_n–1

An easy way to find the common ratio is...

• u_n+1 – u_n

• u_n – u_n+1

• u_n ÷ u_n+1

• u_n ÷ u_n–1