Unit 2 Review

Real Numbers

100

True or False:  This number is irrational

3.333333333333333 and so on

False: Repeating decimals can be written as fractions.  This one is 

1/3

200

Name an integer that is NOT a whole number.

Any negative whole number is correcct.

300

True or False:  All integers are rational numbers

True

400

Name an irrational number.

Any number that includes 

pi or sqrt(2)

500

Name an rational number that is NOT an integer.

Any fraction that does not reduce to an integer.

Squares and Cubes

100

What are the TWO the values of x?

x^2 = 36

x = 6 or -6

200

What are the TWO values of c?

c^2 = 144

c = 12 or -12

300

What is the value of h?

h = -2

400

SIMPLIFY (use a factor tree).

sqrt40

2sqrt10

500

SIMPLIFY (factor tree needed)

cube root of 72

2 cubed root 9

Mrs. LaFlamme will put it on the board.

Order of Operations

100

16 div 2 X 4 - 2 + 5

35

200

10/5 + 4(2)

10

300

2sqrt100 + 4^2 - 3(8 +2)

6

400

(7|11 - 4| + 1)/(-5)^2

2

500

(2 X 2 X 2 X 2 + 2 + 2)/(3 X 3 - 2^2)

4

Pythagorean Theorem

100

What is the name of the longest side of a right triangle? (Spelling does not count.)

HYPOTENUSE

200

a = 5   b = 12   What does c =?

c =13

300

a = 4   c = 5    What does b = ?

b = 3

400

Is this a right triangle?

12,  15,  9

Yes

500

b = 4   c = 9    What does c  =?  Round to the nearest tenth.

c = 8.1

Miscellaneous

100

What is the firsts step to finding the distance between (3, -2) and (1, 4)?

Graph the points.

200

What shape do you have to make on the coordinate plane to find the distance between 2 points?

A right triangle.

300

Who is currently in first place in the NFL AFC East?

Bills     Dolphins    Patriots     or    Jets?

WOOHOOO ... the PATRIOTS!!!!

400

What's the distance between these two points:

(0, 0)  and  (5, -2)  Round to the tenths.

5.4

500

Who recently released a new album called The Life of A Showgirl?

Taylor Swift!