Rewrite the quadratic function in standard form by completing the square.f(x) = x2 + 3x + 1
A. f(x) = 
2 - 
B. f(x) = 
2 + 
C. f(x) = (x + 3)3 - 9
D. f(x) = (x - 3)3 - 9
Answer: A
Mathematics
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A. downward B. upward
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Find the distance d(P1, P2) between the points P1and P2.P1 = (-5, -4); P2 = (7, -7)
A. 3
B. 15
C. 135
D. 135
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Find the logarithm using the change-of-base formula.log7.1 5.5
A. 0.8697 B. 0.7746 C. 0.7404 D. 1.1498
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Simplify. Write the answer with positive exponents.(x-7y9z3)(x-2y-2z5)
A. 
B. 
C. 
D. x5y7z8
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