Module 17/18 Review

Which expressions are in standard form? Check all that apply.

• $4x^6+2x^4-x^3+3x$

• $2x^5+3x^4-6x^2+2x$

• $5x^5-2x^3+3x$

• $6x^6+2x^4-3x^2+5x^3-2x$

• $7x^2-2x$

Classify by number of terms:
3x³ – 6x

• Monomial
• Binomial
• Trinomial
• 4-Term Polynomial

Classify by degree of polynomial:
7x³ – 8x² + 9

• Constant
• Linear
• Quadratic
• Cubic

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

• 3
• 1
• 4
• 7

Classify this polynomial by its degree and number of terms:  4xy³ + 9x⁴y² - 2x

• 6th degree polynomial
• 6th degree trinomial
• 4th degree trinomial
• 4th degree polynomial

Add.

• A
• B
• C
• D

Subtract  $\left(-2n^4+4n^3\right)-\left(-7n^4+5n^3\right)$  

•  $8n^4$  

•  $5n^4-n^3$  

•  $5n^4$  

•  $0$  

  $Simplify\ 5x\left(-4x^2+2x-3\right)$  

•  $-20x^3+10x^2-15x$  

•  $12x^2+6x+9$  

•  $-16x^2-16x-16$  

•  $-28x^2-28x+16$  

Find the product:
(3x - 5)( 4x² - 2x - 3)

• 12x³ - 26x² - 25x + 15
• 12x³ - 20x² - 5x + 15
• 12x³ - 20x² - 6x + 15
• 12x³ - 26x² + x + 15

 $Simplify\ \left(7r-6\right)\left(7r+6\right).$  

•  $49r^2+36$  

•  $49r^2-36$ 

•  $49r^2+84r+36$ 

•  $49r^2+42r+36$