Perform the row operations on the matrix and write the resulting matrix. Replace R2 by R1 + (-1)R2

A.

B.

C.

D.

Answer: C

Mathematics

Solve the equation by factoring.x3 + 3x2 - x - 3 = 0

A. {1, -3, 3} B. {9} C. {-3, 3} D. {-1, 1, -3}

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Mathematics

Express the graph shown using interval notation. Also express it as an inequality involving x.

A. (1, 8) 1 < x < 8 B. (1, 8] 1 < x ? 8 C. [1, 8) 1 ? x < 8 D. [1, 8] 1 ? x ? 8

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Mathematics

Find the standard form of the equation of the parabola.Vertex at the origin, focus at (2, 0)

A. x = y²
B. y² = 8x
C. x² = 8y
D. y = x²

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Mathematics

Determine whether the graph shown is the graph of a polynomial function.

A. not a polynomial function B. polynomial function

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Mathematics