Unit 8 Review (A)

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

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

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

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

Classify this polynomial by its degree and number of terms: 8

• Constant polynomial

• Linear monomial

• Constant monomial

• Linear monomial with 0 terms

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Simplify the expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

What is the standard form of the polynomial,
7x - 125 - 6x⁴ + 14x²

• 125 + 7x - 14x² +6x⁴
• 6x⁴  -14x² - 7x +125
• 125 + 14x² + 7x  - 6x⁴
• -6x⁴+ 14x² + 7x - 125

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

5x² + 2x – 3x – 5x

• -3x

• 5x² - 6x

• 5x²

• 5x² - 10x

Simplify the expression: 3(1 - 2x) + 7

• 21 - 6x
• 24 + 6x
• 10 + 6x
• 10 - 6x