Add, Subtract and Multiply Multivariate Polynomials

What is the constant in the polynomial x² – 2x + 5?

• 1

• 2

• 5

• 0

What is the leading coefficient in the polynomial 3x² – 2x + 5?

• 3

• 2

• 5

• 0

Is the polynomial in standard form?

7x³ – 8x² + 9

• yes

• no

Choose all the polynomials that are in standard form

• 2x + 4x³ – 9

• 7x³ – 3x²

• 9 + 2x + 3x²

• 3x⁹ + 4x² – 6x + 10

Find the Sum:

(4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5

• 3x³ + 8x + 5

• 3x² + 5

• 7x³ + 8x + 5

Find the Sum

(5x + 2) + (4x + 5)

• 9x – 7

• -9x–11

• 9x+7

Multiply
x²(2x+3)

• x²+2x+3
• 2x+3
• 2x²+3x
• 2x³+3x²

Multiply:

(b + 3) (b² + 2b + 1)

• b³ + 6b² + 6b + 3

• b³ + 5b² + 7b + 3

• 4b³ + 8b² + 3b

• 3b³ + 6b² + 3b

(13x + 30) – (20x + 6)

• -7x + 24

• 133x + 36

• -33x - 42

• 260x + 180

Find the product:
(x + 12)(x - 12)

• x² - 144
• x² + 144
• x² + 12x - 144
• x² - 12x + 144