Polynomial Operations

How many terms are in the following polynomial?
3x³ - 2y + 8x -16

• 1
• 2
• 4
• -16

 Multiply:
(r + 7)(r − 7) 

• r ² − 49 
• r ² + 14
• r ² − 7r + 49 
• r ² + 7r + 49 

Multiply
(x²-2x+1)(x+1)

• x³-x²-x+1
• x³-2x+2
• x³+x²+x+1
• x³-3x²-3x+1

Find the product:
(5n-8)(5n+8)

• 25n²-64
• 10n²
• 5n²+16
• 16

What is the degree of the polynomial:
7x³ – 8x² + 9

• 5
• 2
• 6
• 3

Find the difference.

(7p + 4p³ - 8) - (-3p² + 2 - 9p)

• -3p² + 4p³ -15 + 9

• 3p³ + 4p² - p + 3

• 4p³ +3p² +16p -10

• 4p³ +3p² + 16p + 10

The side length of a square is (x - 7), which of the following below would represent the area?

• x²-49

• x²+49

• x²-14x+49

• x²-14x-49

What is the constant of this polynomial?

2x³-8x²+3x-7

• 2

• -8

• 3

• -7

What is the leading term of this polynomial?

4x³+8x⁵-4x²+1x

• 1x

• 8x⁵

• 4x³

• -4x²

4k²(6k² + 9kq - 5q²)

• 24k² + 36k³q - 20k²q²
• 24k⁴ + 36kq - 20k²q²
• 24k⁴  + 36k³q - 20k²q²
• 24k + 36 kq - 20 k²q