Ch ap t er Test MathXL for School^
Go to PowerAlgebra.comDo y o u k n o w H OW?
W r i t e a n i n e q u a l i t y f o r e a c h g r a p h.
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4-2 -1 0 1 2 34 5 6-6 -5- ro
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I -2 -1 0 1 2
-3 -2 -1 01 23 4 54.Solve each inequality. Graph the solutions.- z + 7 < 9
- —| x < 2
- 5 w £ —6w + 11
- | ( m - 2) < 21
- \x — 5| > 3
- 9<6-h< 12
- 4 + 3n > 1 or -5n > 25
- 1 0 f c < 7 5 a n d 4 - f c < 0
List the subsets of each set.
- {1,3, 5, 7} 14. {re d , blue, y e llo w }
- Quality Control A m a n u f a c t u r e r is c u t t in g f a b r ic
i n t o r e c ta n g le s t h a t a re 1 8 .5 5 in. lo n g b y 3 6 .7 5 in.
w id e. E a c h re c ta n g le 's le n g t h a n d w i d t h m u s t b e
within 0.05 in. of the desired size. Write and solve
in e q u a lit ie s t o f i n d th e a c c e p ta b le r a n g e f o r t h e
le n g t h € a n d th e w i d t h w.
Write a compound inequality that each graph
could represent.
16.
17.4- 4- H 1------0 I"
-1 0 -8 -6 -4 -2- Multiple Choice Suppose A = {x | x > — 1 } and
B = {x | — 3 < x < 2 }. W h ic h s ta t e m e n t is tru e?
<X? AU£={}
OD A' = {x|x< —1}
CO A n B= {jc I -1 <x<^2 }
CO B C {x | x < 2}
Solve each equation. Check your solution.- |4Jt — 2\ = 11 20. 23 = |n + 10|
- |3 c + l|- 4 = 13 22. 4|5-f|=20
- Fundraising A d r a m a c lu b w a n t s t o r a is e a t le a s t
$ 5 0 0 i n t ic k e t s a le s f o r it s a n n u a l s h o w. T h e m e m b e r s
of the club sold 50 tickets at a special $5 rate. The
u s u a l t ic k e t p r ic e th e d a y o f th e s h o w is $ 7 .5 0. A t
le a s t h o w m a n y tic k e t s d o t h e y h a v e t o s e ll t h e d a y o f
t h e s h o w t o m e e t t h e g o a l? - O f 145 r u n n e r s , 7 2 r u n o n ly o n w e e k e n d s a n d 6 3 r u n
o n b o t h w e e k e n d s a n d d u r i n g t h e w e e k. H o w m a n y
o f th e r u n n e r s r u n o n l y d u r i n g th e w e e k?
Do You UN DERSTAND?
- Open-Ended W r it e a n a b s o lu te v a lu e i n e q u a lit y t h a t
has 3 and —5 as tw o o f its solutions. - Writing Compare and contrast the M ultiplication
Property of Equality and the M ultiplication Property
of Inequality. - Describe the region
la b e le d C in te rm s o f
set A and set B. - Suppose set A has
9 elem ents. W h a t is
th e greatest n u m b e r
of elements a subset
o f A c a n h a v e?
*— I 0 I 1 "■!"
-4 -3 -2 -14 --------h— ©----- 1 -------h| C h a p te r 3 C h a p te r Test^227