Evaluate the algebraic expression for the given value of the variable.-3x2 - 6x - 1 for x = -3

A. -10
B. 8
C. 44
D. -46

Answer: A

Mathematics

Use a sum-to-product identity to rewrite the expression.cos (7y2 - 10) + cos (4y2 - 4)

A. - 2
B. 2
C. 2
D. 2

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Mathematics

Multiply.

A. 480 B. 470 C. 490 D. 460

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Mathematics

Write in logarithmic form.104 = 10,000

A. log₄ = 10,000
B. log₁₀ = 4
C. log₄ = 10
D. log₁₀ = 10,000

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Mathematics

Determine the size of the matrix.

A. 2 B. 4 C. 1 D. 2 × 2

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Mathematics