Write the expression as a pure imaginary number.
A. -2i
B. -2
C. 2i
D. 2
Answer: C
Mathematics
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Solve the quadratic equation.5x2 - 9x - 2 = 0
A. -5, 2
B. - , 5
C. - , 2
D. , -
Mathematics
Solve the formula for the specified variable.I = for n
A. n =
B. n = IR(Ir - E)
C. n =
D. n =
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Solve the equation.6 - 9x = 5x - 8x - 12
A. {3}
B.
C.
D.
Mathematics
Find the inverse, if it exists, of the given matrix.A =
A.
B.
C.
D.
Mathematics