:

1.3

14

y x

Graph:

Slope Intercept Standard Point Slope

Slope Formula Slope

Slope

Y-Intercept

Shade Below Shade Above

Dotted Line Solid Line Ordered Pair

Slope Intercept

Standard

Point Slope

Slope Formula

Slope

Slope

Y-Intercept

Shade Below

Shade Above Dotted Line

Solid Line

Ordered Pair

Todays HWHW Check

Check HomeworkHomework: Book: pg. 312; 13

. 2,1a

. .b yes

Todays HWHW Check

Check HomeworkHomework: Book: pg. 314; 2

5, 2

yes

yes

Title

Goals:•Warm-up to the idea of the investigation•Use an exploratory approach to develop mathematical habits of mind

4.09 – Getting Started

Vocabulary:inequality

note:-open

-closed

,

,

Practice Problems

5 2 17x 2 25 15x5 5

#1

3x30

Practice Problems

9 18x9 9

#2

7 2 21 3x x

2x

20

Practice Problems

1x 1 1

#3

9 10x 9 9

In this problemyou are dividingby a negative, sothe sign switches.

-1 0

1x

1

Practice Problems

6621 7x7 7

#4

19 8 6 7x 27 6 7x

3 x 3xSwitch the variableand the sign to keepthe variable on theleft !!

30

Practice Problems

#5

6 12x 6 6

2x In this problemyou are dividingby a negative, sothe sign switches.

-2 0

Practice Problems

#6

04

x

( )4 4( )In this problemyou are multiplyingby a negative, sothe sign switches.

0x

0

Classwork: Book: pg. 322; 9

26 2) 8

3 3a x

26 2) 8

3 3b x

) 3 9c x or x

Todays HWHomework: Book: pg. 323; 11

) 13a a ) 13b b)1 7c d )1 7d h )1 7e d

Title

Goals:•Solve inequalities algebraically using graphs

4.11- Inequalities

Vocabulary:

inequality

Classwork: Book: pg. 332; 1

) 5a x

) 4b x

) 6c x

11 1) 5

2 2d x

Todays HWHomework: Book: pg. 334; 7

) 9a x ) 3b x

) 8c x ) 3d x

4)

5e x ) 7f x

) 0g x ) 6 7h

no solution

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