Use synthetic division to decide whether the given number is a solution of the given equation.x2 + 2x + 5; x = 1 + 2i
A. Yes
B. No
Answer: B
Mathematics
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Describe the level surfaces for the given function.f(x, y, z) = (7x2 - 8y2 - 6z2)3/2
A. Hyperboloids of two sheets B. Ellipsoids C. Hyperboloids of one sheet D. Paraboloids
Mathematics
Find the expected value of the random variable.The random variable X is the number of houses sold by a realtor in a single month at the Sendsom's Real Estate office. Its probability distribution is given in the table.
A. 3.35 B. 3.60 C. 3.50 D. 3.40
Mathematics
Find the unknown coordinate so that the ordered pair satisfies the given equation.3x + 4y = 28, ( ? , 4)
A. -4 B. 14 C. -14 D. 4
Mathematics
Graph the solution set of the system of inequalities or indicate that the system has no solution.y < -x + 4y > 3x - 3
A. 
B. 
C. 
D. 
Mathematics