Factor.64 - 9x2
A. (8 + 3x)2
B. (8 + 3x)(8 - 3x)
C. (8 - 3x)2
D. 64 - 9x2
Answer: B
Mathematics
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Use the quadratic formula to solve the quadratic equation.x2 + x + 2 = 0
A. x = 
B. no real solution
C. x = 1 ± 
D. x = 
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A PDF for a continuous random variable X is given. Use the PDF to find E(X).f(x) = 
A. 
B. 
C. 1
D. 
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Find an expression for the nth term of the arithmetic sequence.e, e + 7, e + 14, e + 21, e + 28, . . .
A. an = 7n + e B. an = 7n + e - 7 C. an = 7n + e D. an = ne + 7
Mathematics