Factor.10z2 + 9z - 9
A. (10z + 3)(z - 3)
B. (2z - 3)(5z + 3)
C. (2z + 3)(5z - 3)
D. 10z2 + 9z - 9
Answer: C
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Simplify the expression, if possible.-
A. -9 B. Not an integer C. 9 D. 18
Find the angle between v and w. Round your answer to one decimal place, if necessary.v = 2i - 7j,
w = 8i - 9j
A. 35.7° B. 2.9° C. 12.9° D. 25.7°
Find sum of the pair of complex numbers.-4i, -8
A. -8 + 4i B. -8 - 4i C. -12i D. -4 - 8i
Find the foci and endpoints of each axis for the given ellipse.16x2 + y2 = 16
A. Foci: (± 
, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 2)
B. Foci: (0 , ± 
); vertices: (0, ± 8);
endpoints of the minor axis: (± 1, 0)
C. Foci: (0, ± 
); vertices: (0, ± 4);
endpoints of the minor axis: (± 1, 0)
D. Foci: (0, ± 4); vertices: (0, ± 19);
endpoints of the minor axis: (± 4, 0)