Operations with polynomials

What is the degree of the monomial?
7m⁶n⁵

• 5
• 11
• 6
• 7

What is the degree of the polynomial?
5x⁴ + 6x³ + 9x - 1

• 4
• 5
• 7
• 8

Name the polynomial.
-11x⁵ - 8x + 3

• quintic trinomial
• pentaric trinomial
• quintic monomial
• pentaric monomial

Name the polynomial.
4x - 8x³

• cubic monomial
• quadratic monomial
• cubic binomial
• quadratic binomial

Identify the leading coefficient.
-11x⁵ - 8x + 3

• 3
• 5
• -8
• -11

Identify the leading coefficient.
4x - 8x³

• 1
• 3
• 4
• -8

Simplify.
6x⁷+ 8x⁷

• 14x⁷
• -2x⁷
• 14x¹⁴
• 48x⁷

Simplify.
(8u³ + 2u² + 7) + (3u³ – 7u + 8)

• 5u³ – 7u² + 2u – 15
• 11u³ + 2u² – 7u + 15
• 15 – 7u + 2u² + 11 u³
• 5u³ + 2u² – 7u + 15

Simplify.
-12a³ – 8a³

• -4a³
• -4a⁶
• -20a³
• -20a⁶

Simplify.
(–7x – 5x⁴ + 5) – (–7x⁴ – 5 – 9x)

• 2x⁴ + 2x + 8
• –14x⁴ + 10x + 10
• –14x⁴ – 10x + 10
• 2x⁴ + 2x + 10