Replacement Assignment

Irrational Numbers

100

Which of the following is an irrational number?

A. 6

B. 9.241

C. 32.3265. . .

D. 9/25

C. 32.3265. . . 

200

Why isn't .3333333... an irrational number?

A. It has a decimal point

B. It is repeating

C. It terminates

D. It is less than one

B. It is repeating

300

Which of the following is an irrational number?

A. 6/77

B. 22.88888...

C. 34.3288...

D. 4.3235

C. 34.3288...

400

Which of these is NOT an irrational number?

A. 2*π (pi)

B. 5/87

C. 8.328432...

D.π(pi)

B. 5/87

500

Irrational numbers...

A. Do not repeat, terminate, and cannot be expressed as a fraction

B. Are integers

C. Are every number but zero

D. Repeat, do not terminate, and can be expressed as a fraction

A. Do not repeat, terminate, and cannot be expressed as a fraction

Exponents

100

What is 2^3 equivalent to?

A. 6

B. 9

C. 5

D. 8

D. 8

200

What is 5^2 equivalent to?

A. 7

B. 10

C. 25

D. 3

C. 25

300

What is half of 3^2?

A. 9

B. 4.5

C. 3

D. 6

B. 4.5

400

6^3 is NOT equivalent to which of the following?

A. 108*2

B. 18

C. 216

D. 432/2

B. 18

500

What is 5^4 equivalent to?

A. 9

B. 625

C. 20

D. 1

B. 625

Scientific Notation

100

What is the value of 5*10^2?

A. 500

B. 50

C. 5000

D. 60

A. 500

200

4.5*10^3 is NOT equivalent to which of the following?

A. 4500

B. (1/2)*9000

C. 2*2250

D. 450

D. 450

300

Which of the following is equivalent to 4*10^2?

A. 400

B. 3*200

C. 40

D. 4000

A. 400

400

6*10^2 is NOT equivalent to which of the following?

A. 600

B. 6*100

C. 62

D. 1200/2

C. 62

500

How many times larger is 5*10^2 than 2.5*10^1?

A. 250

B. 2

C. 25

D. 20

D. 20

Equations

100

What is the value of x in the equation x+5=10-3x?

A. -1

B. -3

C. 1

D. 3

C. 1

200

Which of the following is NOT equivalent to the value of x in the equation 2x-10=15+x?

A. 25

B. 50/2

C. -25

D. 5^2

C. -25

300

What is the value of x in the equation 4x-5=5x+9?

A. 14

B. 9

C. -14

D. 13

C. -14

400

What is the value of x when 4x+50=2x-10?

A. x=30

B. x=21

C. x=38

D. x=-30

D. x=-30

500

What is the value of x in 5(3x+8)=25?

A. x=-1

B. x=1

C. x=3

D. x=10

A. x=-1

Cube Roots & Square Roots

100

Which of the following are equivalent to the square root of 4?
Select ALL that apply.

A. 2

B. (1/2)*4

C. -2

D. 8

A.2, B. (1/2*4, & C. -2

200

What is the cube root of 8?

A. 2

B. 4

C. 16

D. 32

A. 2

300

Which of the following is NOT equivalent to the square root of 121?

A. 11

B. 10

C. 22/2

D. -11

B. 10

400

Which of the following are equivalent to the square root of 81?
Select ALL that apply.

A. 9

B. -40.5

C. 40.5

D. -9

A. 9 & D. -9

500

What is the cube root of 64?

A. 8

B. 2

C. 4

D. 6

C. 4