Mrs. Hood's math class extra credit

Irrational Numbers

100

What is an example of an irrational number?

A. 8/12

B.4/5

C.86/87

D.89/90

What is c.

200

Which is NOT an example of an irrational number?A. A. 56/60

B.89/98

C.21/78

D.69/87

What is A.

300

Which is a false statement about irrational numbers?

A.An irrational number can't be written as a simple fraction

B.An irrational number is terminating

C. An irrational numbers is non repeating number

D.An irrational number is non-terminating

What is B.

400

Mr. Thorn told Sam to determine the order in which these irrational numbers are to be placed from largest to smallest. 78/58, 27/86, 48/67, and 92/98

What is; 78/58, 92/98, 48/67, 27/86

500

What is an irrational number?

An irrational number is a non termination and non repeating decimal.

Exponents

100

Solve the equation: 5²*5⁵

What is 5⁷

200

Solve the following problem-     3⁵/3³

What is 3²

300

solve. (7a³b^-1)⁰

What is 1

400

Solve.     (3²)⁴

What is 3

500

Solve.     (2a)³

What is 8a³

Scientific Notation

100

Solve.   (9.4 x 10⁶⁾

What is 9400000.

200

Solve.   (5.556734 x 10^-8)

What is 0.0000000556734

300

Express the following in scientific notation

56 million

What is (5.6 x 10⁷)

400

Express the following in scientific notation

14,100,000

What is (1.41 x 10⁷)

500

Express this number in scientific notation -

2/10

What is (2 x 10^-1)

Equations

100

Solve.  2x+14=60

x=23

200

solve. 6x-24=78

x=17

300

solve.  56=7x+7

x=7

400

92=52x-12

x=2

500

Solve4(r+4)=10r-20

r=6

Cube Roots and Square Roots

100

What is the cube root of 81

What is 27.

200

What is the square root of 49

What is 7.

300

What is the cube root of 343

What is 7

400

What is the square root of 64

What is 8

500

What is the cube root of 125

What is 5