Write a quadratic equation having the given numbers as solutions.9, only solution
A. x2 + 9x + 81 = 0
B. x2 - 81 = 0
C. x2 - 18x + 81 = 0
D. x2 + 18x + 81 = 0
Answer: C
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Solve the problem.Meike earned $1565 in tips while working a summer job at a coffee shop. She wants to use this money to take a trip to Europe next summer. If she places the money in an account which pays 6.5% compounded continuously, how much money will she have in nine months?
Fill in the blank(s) with the appropriate word(s).
Factor the trinomial completely.20x4 - 31x3 + 12x2
A. (20x2 + 3)(x2 + 4) B. x2(4x - 3)(5x - 4) C. x2(20x - 1)(x - 12) D. x(4x + 3)(5x + 4)
Graph the line whose equation is given.y = -2x - 2
A. 
B. 
C. 
D. 
Assume that 
, 
, 
, and 
are positive numbers Use the properties of logarithms to write the expression in terms of the logarithms of
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, and 
.
A. 
B. 
C. 
D. 
E. 