Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.a3b2 - 3a2b - 40a
A. a(ab - 5)(ab + 8)
B. a(a2b2 - 3ab - 40)
C. a(ab + 5)(ab - 8)
D. a5(b + 5)(b - 8)
Answer: C
Mathematics
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Determine whether the equation is linear or nonlinear.
+ 1 = 5
A. linear B. nonlinear
Mathematics
Solve.If f(x) = ?x? (solid line)and g(x) = 4 (dashed line), find when f(x) = g(x) and when f(x) > g(x). 
A. f(x) = g(x) when x = 4 and x = -4 f(x) > g(x) when x < -4 or x > 4 B. f(x) = g(x) when x = 4 f(x) > g(x) when x < -4 C. f(x) = g(x) when x = -4 f(x) > g(x) when x > 4 D. f(x) = g(x) when x = 4 and x = -4 f(x) > g(x) when x > -4 and x < 4
Mathematics
Find all real solutions. Do not use a calculator.x4 - 6x2 + 8 = 0
A. {4, 2}
B. {4, ±
}
C. {±2, ±
}
D. {2, 
}
Mathematics
Find the equation of the vertical line passing through (-1, 2).
A. y = 2 B. x = -1 C. x = 2 D. y = -1 E. none of these
Mathematics