WARMUP

1
WARMUP

• SOLVE
• X 25 50
• SOLVE
• 25 15 R
• SOLVE
• X - 5 15
• SIMPLIFY
• 2A 3B 5A 6B 3C

2
HOMEWORK

• Page 64 1-18 IF YOU CAN DO THESE YOU ARE A
  SUPER MATHEMATICIAN

3
COURSE 2 CHAPTER 1
1-A
4
Decimal and Integers
COURSE 2 CHAPTER 1
1-A
5
(No Transcript)
6
4-1 EQUATIONS

• LETS DO SOME ALGEBRA

7
AAAAAAAAALGEBRA

• ALGEBRA INVOLVES
• INTEGERS
• WHAT ARE INTEGERS?
• NUMBERS LIKE 1, 2, 3, -1, -2, -3, 0

8
AAAAAAAAALGEBRA

• ALGEBRA INVOLVES
• VARIABLES
• VARIABLES ARE SYMBOLS OR LETTERS THAT REPRESENT
  OTHER VARIABLES OR INTEGERS

9
AAAAAAAAALGEBRA

• ALGEBRA INVOLVES
• EXAMPLES OF VARIABLES ARE
• A, B, R, _at_, S, Z

10
AAAAAAAAALGEBRA

• ALGEBRA INVOLVES
• EQUATIONS

11
EQUATION
12

• AN EQUATION ALWAYS HAS AN EQUAL SIGN

13
AN EQUATION EXAMPLE

• A 5 25

14
EQUATION
15

• AN EQUATION ALWAYS HAS AN EQUAL SIGN

16
AN EQUATION EXAMPLE

• 25 A 5

17
CHECK THIS OUT

• IS THE GIVEN NUMBER A SOLUTION OF THE EQUATION?
• X 6 9 X 3
• YES

18
CHECK THIS OUT

• IS THE GIVEN NUMBER A SOLUTION OF THE EQUATION?
• 18 3N N 6
• YES

19
CHECK THIS OUT

• IS THE GIVEN NUMBER A SOLUTION OF THE EQUATION?
• B 3 - 4 B -1
• YES

20
CHECK THIS OUT

• IS THE GIVEN NUMBER A SOLUTION OF THE EQUATION?
• X 5 15 X 10
• YES

21
EXAMPLES OF EQUATIONS

• X 1 6
• 2K - 5 156
• 5 R 17
• N - 8 16
• 24 - N 5 34

22
WHAT IS A VARIABLE?
23
WHAT IS A VARIABLE?

• A SYMBOL THAT REPRESENTS A NUMBER.

24
(No Transcript)
25
MR. SKRTICHS WAY OF DOING EQUATIONS

• THERE IS AN ALTERNATIVE WORLD ON EACH SIDE OF
  THE SIGN.

26
MR. SKRTICHS WAY OF DOING EQUATIONS

• THERE IS AN ALTERNATIVE WORLD ON EACH SIDE OF
  THE SIGN.
• WHERE THE SIGN IS , DRAW A FENCE.

27
MR. SKRTICHS WAY OF DOING EQUATIONS

• THERE IS AN ALTERNATIVE WORLD ON EACH SIDE OF
  THE SIGN.
• WHERE THE SIGN IS , DRAW A FENCE.
• EVERYTHING MUST BE BALANCED.

28
MR. SKRTICHS WAY OF DOING EQUATIONS

• THERE IS AN ALTERNATIVE WORLD ON EACH SIDE OF
  THE SIGN.
• WHERE THE SIGN IS , DRAW A FENCE.
• EVERYTHING MUST BE BALANCED.
• THE OBJECT IS TO SOLVE FOR THE VARIABLE.

29
MR. SKRTICHS WAY OF DOING EQUATIONS

• THERE IS AN ALTERNATIVE WORLD ON EACH SIDE OF
  THE SIGN.

30
MR. SKRTICHS WAY OF DOING EQUATIONS

• THERE IS AN ALTERNATIVE WORLD ON EACH SIDE OF
  THE SIGN.
• WHERE THE SIGN IS , DRAW A FENCE.

31
MR. SKRTICHS WAY OF DOING EQUATIONS

• THERE IS AN ALTERNATIVE WORLD ON EACH SIDE OF
  THE SIGN.
• WHERE THE SIGN IS , DRAW A FENCE.
• EVERYTHING MUST BE BALANCED.

32
MR. SKRTICHS WAY OF DOING EQUATIONS

• THERE IS AN ALTERNATIVE WORLD ON EACH SIDE OF
  THE SIGN.
• WHERE THE SIGN IS , DRAW A FENCE.
• EVERYTHING MUST BE BALANCED.
• THE OBJECT IS TO SOLVE FOR THE VARIABLE.

33
SOLVE G 3 93

• G 3 93
• G 3 - 3 93 - 3
• G 0 90
• G 90
• CHECK
• G 3 93
• 90 3 93
• 93 93

34
SOLVE 45 R - 9

• 45 R - 9
• 45 9 R - 9 9
• 54 R 0
• 54 R
• CHECK
• 45 R - 9
• 45 54 - 9
• 45 45

35
SOLVE G 4 48
36
SOLVE G 4 48
37
(No Transcript)
38
HOMEWORK PAGE 124 DO 1-12 EVEN