Use Descartes' Rule of Signs to determine how many positive and how many negative real zeros the polynomial can have. Then determine the possible total number of real zeros.
?
?
A. 8 positive; 8 real zeros
B. 0, 2, 4 positive ; 0, 2, 4 negative; 6 real zeros
C. 6 negative; 6 real zeros
D. 2 or 4 positive; 4 real zeros
E. 0, 2, 4 or 6 positive; 0 real zeros
Answer: E
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Which of the following does not utilize the commutative property (there may be more than one property used)? ?
A.
?5(x + 4) = 5x + 5(4) = 5x + 4(5)
B.
?
C.
?a + (b + c) = (a + b) + c
D.
?a + (b + c) = (b + a) + c
E.
?None of the above.
Simplify the radical expression. Assume all variables represent positive real numbers.(2
+ 6)2
A. 80 + 24
B. 80 - 24
C. 50 + 24
D. 8 + 24
Solve the problem.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 700 pretzels B. -55 pretzels C. 350 pretzels D. 0.7 pretzels
Write the quotient in lowest terms.
A. 
B. 
C. 
D. 