Find the real solutions of the equation.x4 - 5x2 + 4 = 0

A. {-4, 4}
B. {-1, 1, -2, 2}
C. {-5, 5}
D. {-2, 2}


Answer: B

Mathematics

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Determine whether the pair of fractions is equivalent. and 

A. equivalent B. not equivalent

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Solve the equation. First simplify the expression by combining like terms.-3(3x - 1) + 6(8 + 7x) = (-24 + 34x)

A. 51 B. 75 C. 27 D. -21

Mathematics

Simplify. 

A.
B.
C.
D.

Mathematics

Find the square root.- 

A. -128 B. Not a real number C. 16 D. -16

Mathematics