Grade 10 Summative Test on Sequences

What is a list of numbers arranged in a specific order called?

• Series

• Term

• Sequence

• Set

What is each number in a sequence called?

• Item

• Term

• Digit

• Part

What symbol indicates that a sequence continues indefinitely?

• Plus sign

• Comma

• Ellipsis (…)

• Infinity (∞)

What do you call a sequence that has a last term?

• Infinite

• Constant

• Finite

• Irregular

What is a sequence that does not have a last term?

• Finite

• Alternating

• Infinite

• Increasing

What is the sum of the terms in a sequence called?

• Addition

• Product

• Series

• Pattern

What is the common difference in an arithmetic sequence?

• The average between the terms

• The sum of the sequence

• The constant number added to each term

• The number of terms in a sequence

What type of sequence increases by the same amount each time?

• Geometric sequence

• Arithmetic sequence

• Finite sequence

• Repeating sequence

What do we call a sequence where the signs of the terms alternate?

• Alternating

• Decreasing

• Repetitive

• Parallel

Which formula is used to find the nth term of an arithmetic sequence?

• aₙ = a₁ + (n – 1)d

• aₙ = a₁ × rⁿ

• Sₙ = a₁ + aₙ / 2

• aₙ = a₁ – nd