- A b a s e b a ll te a m c a n s p e n d u p to $ 1 5 0 0 o n b a ts. B a ts
c o s t $ 3 2 e a c h. W h ic h i n e q u a l i t y re p r e s e n ts t h e n u m b e r
o f b a ts b t h e y c a n b u y?
CD 32b < 1500
CD 32 b > 1500
CD 32b + b < 1500
CD 32b + b > 1500 - W h a t is th e s o lu tio n o f w — 4=18 + 3 wl
CD - if CD 3.5
CD -3.5 CD 11- W h ic h graph represents the so lu tio n s to th e in e q u a lity
3n< -6?
H b
3 - 2 - 1q— hDD-3 -2 -1H h
3 -2 -1 0 1-t ©— H-------h
-3 - 2 - 1 0 1
A s t u d e n t c a lc u la t e d th e d e n s it y o f c o p p e r t o b e
8 .3 7 g / c m 3. T h e a c c e p te d v a lu e f o r th e d e n s it y o f
c o p p e r is 8 .9 2 g / c m 3. W h a t is th e p e r c e n t e r r o r i n th e
density?
CD 6.57% CD 5.79%
D 6.17% CD 4.78%
T h e c o s t o f a h a r d c o v e r b o o k x is a t le a s t $3 m o r e
t h a n t w ic e th e c o s t o f th e p a p e r b a c k b o o k y. W h ic h
in e q u a lity represents th is situation?
CD 2y + 3>x D 2y + 3<x
D x + 3 < 2y D x + 2y < 3
W h a t is t h e s o lu t io n o f ^ = f?
CD 12-9 D 20 CD 25.2 CD 35- A f o x r u n s a t a r a te o f 2 6 m i / h a n d a c a t r u n s a t a r a te
o f 4 4 f t / s. W h a t is t h e d if f e r e n c e i n t h e i r sp e e d s?
(Hint: 1 m i = 5280 ft)
CD 26 ft/s CD 18 m i/ h
D 5.9 ft/s D 30 mi/h
1 0. W h e n s im p li f y i n g th e e x p r e s s io n 2 0 6 - 4 (1 7 - 32),
w h ic h p a r t o f t h e e x p r e s s io n d o y o u s i m p li f y firs t?
CD 206-4
CD 32
CD 17-3
CD 4(17)
1 1. I n t h e e x p r e s s io n 8 y — ( 6 y — 5 ) , w h a t is th e m o s t
a p p r o p r ia t e n a m e f o r 6y?
CD coefficient
CD fa cto r
CD te rm
CD variable
1 2. W h ic h s ta t e m e n t is a lw a y s t r u e?
CD T h e p r o d u c t o f a n o n z e r o r a t io n a l n u m b e r a n d a n
ir r a t i o n a l n u m b e r is ir r a t io n a l.
CD The product o f tw o rational num bers is irrational.
CD The sum o f a rational num ber and an irrational
num ber is rational.
CD The sum o f tw o rational num bers is irrational.
1 3. T h e s o lu t io n t o th e e q u a t io n b e lo w is s te p p e d o u t.
3x - 12 = 30
3x— 12 + 12 = 30 + 12
3x = 42
3x _ 42
3 3
X= 14Step 1
Step 2
Step 3
Step 4W h ic h p r o p e r t y c a n b e u s e d to j u s t i f y S te p 3?
CD Reflexive Property
CD Subtraction Property of Equality
CD Transitive Property
CD Division Property of Equality- W hat are the solutions o f -\a + 1 < 8?
CD a> 7
CD a< 7
a > —63
CD a < —63- W hat are the solutions o f 4 < 6b - 2 < 28?
CD 6<b<30CD| <b^
1 < b < 5PowerAlgebra.com [ C h a p t e r 3 C o m m o n C o r e C u m u l a t i v e S t a n d a r d s R e v i e w 229