Sections 2.1-2.7Plz. Grab your clicker

#16 Trigonometry is a sine of the times.  ~Author Unknown

Objectives

Objective 7 Classify the number as a whole number, integer, rational number or irrational number

  Objective 8 Find the absolute value of the

following numbers   Objective 9 Find the opposite of the given

number  

Objectives

 Objective 10 Find the sum or difference

 Objective 11 Find the reciprocal or multiplicative inverse of the number

Objective 12 Find the product or quotient

Objectives

Objective 13 Identify the property illustrated

 Objective 14 Simplify the expression. Apply the distributive property

Objective 13Identify the property illustrated 

Plot the points and state domain and range

( 2,4)

(2, 4)

(2,1)

( 1,2)

(0,5)

(6,0)

( 3, 5)

3(-14)(-5)

.15

.60

.105

.210

A

B

C

D

PracticePractice

12(10)(-.5). 600

. 60

.60

.600

A

B

C

D

PracticePractice

1.

491

.2

1.4

. 728

A

B

C

D

PracticePractice

13(-14)

4

-2(4d+1)+7(d-11) . 79

. 14 79

. 15 79

. 14 10

A d

B d

C d

D d

PracticePractice

8(2x+8)-(4x+12)

.16 32

.12 76

.20 76

.12 52

A x

B x

C x

D x

PracticePractice

Practice

6(5-z)+2z

. 30 4

. 20 4

. 20 5

. 3 4

A z

B z

C z

D z

question

.7

.18

.9

.20

A

B

C

D

4 6 9

PracticePractice

Real Numbers

Rational Numbers

Integers

Whole Numbers

Mathematical Classification

Counting numbers

Irrational Numbers

In mathematics we use this general system

Practice

What is the smallest set designation for the given number

.

.

.

.

.

A Irrational

B Rational

C Integer

D Whole

E Counting

3

5

PracticeWhat is the smallest set designation for the given

number

4

5 .

.

.

.

.

A Irrational

B Rational

C Integer

D Whole

E Counting

PracticeWhat is the smallest set designation for the given

number

2

.

.

.

.

.

A Irrational

B Rational

C Integer

D Whole

E Counting

Practice

What is the smallest set designation for the given number

27.

.

.

.

.

A Irrational

B Rational

C Integer

D Whole

E Counting

Practice

What is the smallest set designation for the given number

100.

.

.

.

.

A Irrational

B Rational

C Integer

D Whole

E Counting

Properties

►Commutative

►Associative

►Identity ►Inverse ►Distributive

►a + b = b + a►(ab)c = a(bc)►a · 1 = a & a + 0

= a►a + (-a) = 0 & a ·

= 1►a(b + c) = ab + ac

1

a

Practice

What property is illustrated below

8(9) 9(8)

.

.

.

.

. . 1

A Commutative

B Associative

C Identity

D Inverse

E prop of

Practice

What property is illustrated below

3 3 0

.

.

.

.

. . 1

A Commutative

B Associative

C Identity

D Inverse

E prop of

Practice

What property is illustrated below

.

.

.

.

. . 1

A Commutative

B Associative

C Identity

D Inverse

E prop of

19( 1) 19

Practice

Answer the following question.

The current temperature is 77o F. Two hours ago it was 59o. What is the change in temperature?

.15

.18

.20

.22

A

B

C

D

Homework

Chapter 2Chapter two test at the end of

chapter twoALL