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Which polynomial is written in standard form?

• -3x + 8x² + 9x³ - 11
• 9x³ + 8x² - 3x - 11
• 8x² + 9x³ -11 - 3x
• -11 - 3x + 8x² + 9x³

Which polynomial is written in standard form?

• 8x - 11x²
• 4x³ + 7x - 9
• 12 + 4x
• 13x + 7x² - 9x³ + 12

Add the following polynomials:
 (5x + 2) + (4x + 5)

• 9x -7
• -9x-11
• 9x+7
• x+7

Add the following polynomials:
(6n² - 7n⁴+8) +  (6 + 8n + 4n⁴)

• -3n⁴+ 6n²+8n+14
• -n⁴-2n²+8n+7
• -n⁴ + 6n²+8n+7
• -3n⁴+ 6n²+8n+7

Subtract the following polynomials:
(a³ - 2a²) - (-4a³ + 4a²)

• -5a⁶ - 5a⁴
• 5a³  - 2a²
• -2a³  - 6a²
• 5a³ - 6a²

Subtract the following polynomials:
(7p + 4p³ - 8) - (-3p² + 2 - 9p)

• -3p² + 4p³ -15 + 9
• 3p³ + 4p² - p + 3
• 4p³ +3p² +16p -10
• 4p³ +3p² + 16p + 10

Find the product:
5xy(6x - y)

• 11x² - y²
• 30x² + y²
• 30x²y - 5xy²
• 11x²y + 5x²y²

Find the product:
2x( -2x - 3)

• -4x - 3
• x² - 3
• -4x² - 6x
• -4x - 6

Use the FOIL method to multiply:
(x+10)(x-10)

• x²  - 100
• x² + 100
• x² + 20x - 100
• x² -20x + 100

Use the FOIL method to multiply:
(x-7)²

• x²-49
• x²+49
• x²-14x+49
• x²-14x-49