Rationalize the denominator. Assume that all variables represent nonnegative numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the sum or difference.(4a4 - 7a2) + (8a4 - 3a2)
A. 2a6 B. 12a8 - 10a4 C. 12a4 - 10a2 D. 2a12
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Find the coordinates of the vertex for the parabola defined by the given quadratic function.y + 9 = (x - 3)2
A. (3, - 9) B. (9, 3) C. (9, - 3) D. (- 3, - 9)
Mathematics
Use the square root property to solve the equation.(x - 10)2 = -49
A. {3, 17} B. {10 - 7i, 10 + 7i} C. {-10 - 7i, -10 + 7i} D. {-17, -3}
Mathematics
Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 2x - 8 = 0
A. two unequal real solutions B. two complex solutions that are conjugates of each other C. a repeated real solution
Mathematics