Solve the polynomial equation in the complex numbers.2x4 + 15x3 + 45x2 + 45x + 13 = 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the slope of the line tangent tangent to the graph a the given point. y = 6x - 2, x = -3
A. m = 6 B. m = -6 C. m = 18 D. m = -18
Mathematics
Solve the proportion. Write the solution in decimal form when applicable.
= 
A. 5.6 B. 5.5 C. 2.1 D. 2.6
Mathematics
The sequence is defined recursively. Write the first four terms.a1 = 1 and an = an-1 - 3 for n ? 2
A. 1, -2, -5, -8 B. 1, 0 , -3 , -6 C. -3, -6, -9, -12 D. 1, 4 , 7 , 10
Mathematics
Find an equation of a parabola satisfying the given conditions.Focus (0, -2?), directrix y = 2?
A. y2 = 4?x B. x2 = -8?y C. y2 = -8?x D. x2 = -2?y
Mathematics