Solve by completing the square.x2 = 3 - 8x
A. 4 + 
B. -4 ± 2
C. -1 ± 
D. -4 ± 
Answer: D
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Multiply by a fraction equivalent to 1 to build up the fraction to one with the denominator shown.
= 
A. 
B. 
C. 
D. 
Use the circle graph to solve the problem.The circle graph below gives the inventory of the men's department of a store.
In which item of apparel does the store have the smallest investment?
A. Socks B. Suits C. Shirts D. Underwear
The length of time (in seconds) a certain individual takes to learn a list of n items is approximated by 
.
?
Use differentials to approximate the additional time it takes the individual to learn the items on a list when n is increased from 42 to 45 items. Round to the nearest second.
?
A. 187 sec B. 169 sec C. 193 sec D. 171 sec
Perform the indicated operation.
? 
A. - 
B. 
C. 
D. - 