If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.49x2 - 1
A. (7x - 1)2
B. (7x + 1)(7x - 1)
C. (7x + 1)2
D. Prime
Answer: B
Mathematics
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Use the pH scale to answer the question.What is the hydrogen ion concentration of a solution with pH 2.5?
A. 3.2 x 10-3 B. 3.2 x 10-2 C. 3.2 x 10-5 D. 3.2 x 10-4
Mathematics
Integrate the function f over the given region.f(x, y) = 
+ 
over the trapezoidal region bounded by the x-axis, y-axis, line 
and line 
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 8x - 3 = 0
A. {-4 - 2
, -4 + 2
}
B. {-1 - 
, -1 + 
}
C. {-4 - 
, -4 + 
}
D. {4 + 
}
Mathematics