Identify f as being linear, quadratic, or neither. If f is quadratic, identify the leading coefficient.f(x) = 
A. Linear
B. Quadratic; 2
C. Quadratic; 6
D. Neither
Answer: D
Mathematics
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Solve. Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.5n2 = -10n - 3
A. 
B. 
C. 
D. 
Mathematics
Write the standard equation for the circle.Center at 
, radius 
A. 
2 + 
2 = 
B. 
2 + 
2 = 
C. 
2 + 
2 = 
D. 
2 + 
2 = 
Mathematics
Find all numbers that must be excluded from the domain of the rational expression.
A. x ? 0 B. x ? -8 C. x ? 8 D. x ? -7
Mathematics
Factor completely.4y4 - 18y3 + 18y2
A. 2y2(2y - 3)(y + 3) B. y2(2y - 3)(y - 3) C. 2y2(2y - 3)(y - 3) D. 2y2(2y + 3)(y - 3)
Mathematics