Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use algebraic and/or graphical methods to solve the inequality.(x + 10)(x2 - 49) > 0
A. -10 < x < -7 or x > 7 B. x < -7 or x > 7 C. -10 < x < 7 D. x < 7 or 7 < x < 10
Mathematics
Identify the equation without applying a rotation of axes.x2 + 12xy + 36y2 - 4x - 2y - 6 = 0
A. ellipse B. hyperbola C. parabola D. not a conic
Mathematics
Find all of the real and imaginary zeros for the polynomial function.f(x) = x3 - 4x2 - 36x + 144
A. 4 B. -4, 4, 6 C. -6, 4, 6 D. 36, 4, 144
Mathematics
Use finger multiplication to do the calculations.
?
?
A. 108 B. 56 C. 6 D. 54 E. 9
Mathematics