Quiz 15 4.3-4.28 Flashcards by Cynthia Criswell | Brainscape

Q

Evaluate 6y² if y is -4

A

6 (-4)²

6 (16)

96

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Q

Evaluate -4xy if x is 4 and y is -5

A

4 (4) (-5)
16 (-5)

80

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Q

Evaluate 8x² if x is 3

A

8 (3²)

8 (9)

72

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Q

Simplify 6x²y + 4xy - 7xy

A

6x²y - 3xy

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Q

Simplify 4x² + 3xy - 7xy + 2y²

A

4x² - 4xy + 2y²

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Q

Multiply (5x²) (4x²)

A

20x⁴

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Q

Divide (9x²) by (3x)

A

3x

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Q

Divide (12xy) by (4y²)

A

3x / y

3x over y

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Q

Multiply (5) (4x²)

A

20x²

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Q

Multiply (3x) (2x²)

A

6x³

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