Polynomials Quiz Review

Classify this polynomial by its degree and number of terms:  x³ + 2x² - x + 6

• Cubic polynomial
• Quadratic binomial
• 4th degree (quartic) trinomial
• Cubic trinomial

Classify this polynomial by its degree and number of terms:  x² + 2x + 6

• Linear polynomial
• Quadratic trinomial
• Quadratic binomial
• Cubic trinomial

What is the leading coefficient of  4x² + 3?

• 3
• 1
• 4
• 7

What is the leading coefficient of  4x² + 3x³?

• 3
• 1
• 4
• 7

Classify this polynomial by its degree and number of terms:  x² + 6

• Linear polynomial
• Quadratic trinomial
• Quadratic binomial
• Cubic binomial

(2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z
• 4x + y + 6z
• -4x - y + 6z
• -4x + y + 6z

Simplify the expression.
(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7 
• 5a³ - 4a² - 14a - 7 
• 5a³ - 4a² - 20a - 7 
• 5a³ - 9a² - 20a - 7

(3x + 4y - 3z) - (2x - 6y + 7z)

• x + 10y - 10z
• -x +10y - 10z
• x -10y - 10z
• -x -10y - 10z

Subtract: (2a² + 5a + 3) -(a² - 3a - 4)

• 3a² + 2a - 1
• a² + 8a + 7
• 3a² + 8a + 7
• a² + 2a - 1

Simplify:

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6