Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 18x
A. 324; 
2
B. 81; 
2
C. 81; 
2
D. 0; 
2
Answer: B
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Find the area or volume.Find the area under the curve y = 
bounded on the left by x = 3.
A. 
B. 
C. 1
D. 4
Solve the system of equations.
A. x = 2, y = -1, z = -9; (2, -1, -9) B. x = -2, y = -1, z = -9; (-2, -1, -9) C. x = 2, y = -1, z = 9; (2, -1, 9) D. x = -2, y = -1, z = 9; (-2, -1, 9)
Use the properties of exponents and radicals to determine the value for x that makes the equation true.
?
?
A. 
B. 7
C. 
D. 
E. 6
The amount of money invested in a certain mutual funds, measured in millions of dollars, for the years 1995 to 1999 was found to be modeled by 
million dollars, where x is the number of years past 1990. Will the graph of this function bend upward or will it bend downward? How much money is predicted to be in the fund in the year 2009? Round your answer to two decimal places.
?
A. the function's graph bends upward; the function predicts 134,947.08 million dollars in 2009 B. the function's graph bends downward; the function predicts 134,947.08 million dollars in 2009 C. the function's graph bends upward; the function predicts 68,279.14 million dollars in 2009 D. the function's graph bends downward; the function predicts 1,611.20 million dollars in 2009 E. the function's graph bends upward; the function predicts 1,611.20 million dollars in 2009