Solve the equation by completing the square.x2 + 8x - 33 = 0
A. {-11, 3}
B. {-11, -22}
C. {-
, 
}
D. {-3, 11}
Answer: A
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Solve the problem.The daily profit for a product is given by P = 36x - 0.02x2 - 1600, where x is the number of units produced and sold.a. Graph this function for x between 0 and 2100.b. Describe what happens to the profit of this product when the number of units produced is between 1 and 900. What happens after 900 units are produced? c. Is the graph of this function concave up or down?
A.
a.
b. The profit decreases.; The profit increases.
c. The graph is concave up.
B. a.
b. The profit decreases.; The profit increases.
c. The graph is concave down.
C. a. 
b. The profit increases.; The profit decreases.
c. The graph is concave up.
D. a.
b. The profit increases.; The profit decreases.
c. The graph is concave down.
A card is drawn from a standard deck of cards. Expressing your answer as a fraction in simplest form, what is the probability of getting the specified card?a red card.
A. 
B. 
C. 
D. 
Solve the problem using the elimination method.There were 30,000 people at a ball game in Los Angeles. The day's receipts were $252,000. How many people paid $14 for reserved seats and how many paid $6 for general admission?
A. 18,000 paid $14 and 12,000 paid $6 B. 12,000 paid $14 and 18,000 paid $6 C. 21,000 paid $14 and 9000 paid $6 D. 9000 paid $14 and 21,000 paid $6
Solve the problem.The graph shows the yearly average interest rates for 30-year mortgages for years since 1998 (Year 0 corresponds to 1998). Sketch a graph of the rate of change of interest rates with respect to time.
A. 
B. 
C. 
D. 