Find all complex-number solutions by using the quadratic formula.6x2 - 7x = -9

A.
B.
C.
D.


Answer: B

Mathematics

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Evaluate the integral.

A. + C
B. + C
C. sec-1 (x + 2) + C
D. csc-1 (x + 2) + C

Mathematics

Solve triangle ABC. If necessary, round the answer to the nearest tenth.B = 38.4°, C = 101.6°, b = 25.92 meters

A. A = 38°, a = 40.9 m, c = 26.8 m B. A = 40°, a = 26.8 m, c = 40.9 m C. A = 38°, a = 42.9 m, c = 28.8 m D. A = 40°, a = 28.8 m, c = 42.9 m

Mathematics

Find the product. Write the answer in standard form.9i(3 + 4i)2

A. -216i + 216i2 + 144i3 B. -63 + 216i C. -216 - 63i D. -63i

Mathematics

Determine the reference angle for the given angle.? = 

A.
B.
C.
D.

Mathematics