LONG QUIZ IN MATH

It is a set of numbers that are in order having a first number, second number, third number and so on.

      Its terms are usually denoted by a₁, a₂, a₃, …, a_n.

• Series

• Arithmetic Sequence

• Finite Sequence

• Arithmetic Means

It is a compact way of indicating series and used to indicate the sum of all expression.

• Sequence

• Factorial Notation

• Summation Notation

• Series

The first and last terms of an arithmetic sequence are called?

• Sequence

• Extremes

• Means

• Ends

These are the terms in between the first and last terms of an arithmetic sequence.

• Arithmetic Sequence

• Arithmetic Means

• Sequence

• Arithmetic Series

The indicated sum of an arithmetic sequence is called an?

• Arithmetic Extremes

• Arithmetic Series

• Arithmetic Sequence

• Arithmetic Means

What is the arithmetic mean between 45 and 89?

• 62

• 67

• 64

• 69

What is the formula for the summation of an Arithmetic sequence?

• a_n = a₁ + d (n – 1)

• an² + bn + c = a_n

• S_n = (a₁ + an)

• a_n = an + b

Which of the following is NOT an example of an arithmetic sequence?

• 7, 14, 21, 29, 36, …

• 11, 22, 33, 44, 55, …

• -3, -6, -9, -12, -15, …

• 10, 19, 28, 37, 46, …

What is the arithmetic mean between 21 and 73?

• 57

• 48

• 58

• 47

What is the sum of the first 20 positive multiples of 2?

• 240

• 360

• 420

• 410