4-7 SOLVING MULTI-ST

EP

INEQUALITIES

M I SS B

A T T A G L I A –

AL G E B R A 1

CP

O B J EC T I V

E : SO LV E M

U LT I - S T E P I NE Q U A L I T

I ES

A N D GR A P H T

H E SO L U T I O

N S ON A

NU M B E R

L I NE ; U

S E MU LT I - S T E P I N

E Q U A L I TI E

S TO

M O D E L AN D S

O LV E RE A L - W

O R L D PR O B L E M S .

WARM UPWe solved in section 3-2, what do

you think would be the similarities and differences of solving ?

DESIGNA school group needs a banner to carry in a parade. The

students decide the length of the banner should be 18 ft. There are 45 ft of trim available to sew around the border. What is the greatest possible width for the banner?

SOLVE & GRAPH2(w + 2) – 3w > 1

SOLVE & GRAPH8z – 6 < 3z + 12

SOLVE & GRAPH3x + 4(6 – x) < 2

SOLVE & GRAPH-3w + 6 > 3(2w – 1)

HOMEWORK

Pg 192 # 17 – 23, 26, 29 , 30