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Dubling Method

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The doubling method is primarily used for?.

a)

a) Finding the square root of a number.

b)

b) Solving linear equations.

c)

c) Efficiently calculating powers of 2.

d)

d) Determining prime numbers.

2.

The doubling method always results in an exact answer, with no rounding errors. True or false.

a)

TRUE

b)

FALSE

3.

3.In the doubling method, each iteration involves multiplying the previous result by ___.

a)

3

b)

6

c)

2

d)

5

4.

Which of the following is NOT a typical application of the doubling method?

a)

a) Calculating Fibonacci numbers.

b)

b) Exponentiation.

c)

c) Finding the greatest common divisor.

5.

The doubling method is generally more efficient than iterative addition for calculating large powers. (True/False)

a)

TRUE

b)

FALSE

6.

Fill in the Blank:

To calculate 28 using the doubling method, you would perform ___ doublings.

a)

4 dumbling

b)

2 dumbling

c)

1 dumbling

d)

3 dumbling

7.

What is the time complexity of the doubling method for calculating xn where n is the exponent?

a)

a) O(n)

b)

b) O(log n)

c)

c) O(n2)

d)

d) O(1)

8.

 What is the primary operation repeated in the doubling method?

a)

a) Addition

b)

b) Subtraction

c)

c) Multiplication

d)

d) Division

9.

 If you want to calculate 58 using the doubling method, how many multiplications would you perform (not including the initial multiplication by 1)?

a)

a) 8

b)

b) 4

c)

c) 3

d)

d) 1

10.

The doubling method is closely related to which mathematical concept?

a)

a) Euclidean algorithm

b)

b) Binary representation

c)

c) Prime factorization

d)

d) Taylor series expansion