Find the values for b such that the trinomial is a square.x2 + bx + 20
A. 20, -20
B. 2
, -2
C. 10
, -10
D. 4
, -4
Answer: D
Mathematics
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Find the perimeter of the polygon.
A. 38 yd B. 39 yd C. 31 yd D. 64 yd
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Find the domain and the vertical asymptote of the function.g(x) = ln (x - 0.8)
A. Domain: (-?, ?); vertical asymptote: none B. Domain: (0.8, ?); vertical asymptote: x = 0.8 C. Domain: (0, ?); vertical asymptote: x = 0 D. Domain: (-0.8, ?); vertical asymptote: x = -0.8
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Find the root. Assume that all variables represent positive numbers.
A. 
B. 
C. 
D. 
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Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? -2 y ? -x2 + 4 B. x ? -2 y ? -x2 + 4 C. y ? 2 y ? x2 + 4 D. y ? -2 y ? -x2 + 4
Mathematics