Write the expression in the standard form a + bi.

A.  + i
B.  + i
C.  - i
D.  - i

Answer: A

Mathematics

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Find dy.y = csc(4x2 - 1)

A. -8x csc(8x) cot(8x) dx B. -8x csc(4x2 - 1) cot(4x2 - 1) dx C. 8x csc(4x2 - 1) cot(4x2 - 1)dx D. -4x2 csc(4x2 - 1) cot(4x2 - 1) dx

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Mathematics

Use an ordered pair to identify each point on the given coordinate plane. State the quadrant or axis where each point lies.

A. C(-2, 3) in Quadrant II; D(-3, 4) in Quadrant II B. C(-2, -3) in Quadrant III; D(3, -3) in Quadrant IV C. C(-2, 3) in Quadrant II; D(4, -3) in Quadrant IV D. C(3, 12) in Quadrant I; D(-3, 4) in Quadrant II

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Mathematics

Find the quotient using long division.

A. 3x2 + 4 + 
B. 3x - 4
C. 3x + 4 + 
D. 3x + 

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Mathematics

Write an equivalent expression by factoring out a factor with a negative coefficient.-25u4 + 15u3 - 10u

A. -5u4(5 - 3u3  + 2u) B. 5u(5u3 + 3u2 - 2) C. -5u(5u3 - 3u2 + 2) D. -5u(5u3 + 3u2 - 2)

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Mathematics