REVIEW QUIZ-1

In the sequence, 23, 28, 33, …. the pattern is

• adding 5

• multiplying 5

• subtracting 5

• dividing 5

Give the next three terms in the arithmetic sequence, 32, 28, 24, …

• 21, 18, 14

• 20, 16, 12

• 19, 15, 11

• 18, 14, 10

What is the geometric mean between 4 and 25?

• 6

• 9

• 10

• 13

Which among the following is an example of a sequence?

• 3, 7, 9, 13, …

• 1, 3, 9, 27, …

• 200, 40, 10, 5, …

• 35, 65, 85, 115

In the geometric sequence, 1/3, 2/3, 4/3, …, what is the common ratio?

• 1/3

• 1/2

• 1

• 2

Which of the following differentiate an arithmetic sequence from a geometric sequence?

• I only

• II only

• III only

• I and II only

In the polynomial equation 6x - 4 + 5x² + 3x³ = 0 the leading term is ______.

• -4

• 6x

• 5x²

• 3x³

x-1 is a factor of x³ - 1, if and only if P(1) is equal to ______.

• -1

• 1

• 0

• 2

All the following are examples of geometric sequences except one.

• 64, 32, 16, 8, …

• 12, 24, 72, 144, …

• 7, 49, 343, 2401, ...

Below are example of polynomial equations except 1.

• x³ + x² + 3x - 2 = 0

• 4x² - 1 = 0

• 5x - 3 = 0