Alg 1: Adding and Subtracting Polynomials

Alg 1: Adding and Subtracting Polynomials

Multiple Choice

The parts of an expression separated by pluses or minuses is called a(n)

• factor

• term

• sum

• slope

Multiple Select

Which of the following are equal to  $\left(\frac{12}{8}\right)^{-1}$  ? Select all that apply. 

•  $\frac{12}{8}$  

•  $\frac{12^{-1}}{8^{-1}}$  

•  $\frac{3}{2}$  

•  $\frac{2}{3}$  

•  $\frac{8}{12}$  

Multiple Choice

 $25x^2y$  

• monomial

• not monomial

Multiple Choice

 $\frac{5}{4}xy^{-2}$  

• monomial

• not monomial

Multiple Choice

 $2^{-3}x^2y$  

• Monomial

• Not monomial

Even though there was a negative exponent (-3 on the base of 2), it was on a number. It was the equivalent of  $\frac{1}{8}$  . 

Multiple Choice

Which polynomial is in standard form?

• $8x^2+3x^3y-5$

• $4a^2xy^3z-3a^3xyz-5ax^2$

• $2a^3b^2-5a^3b^3-2$

Multiple Choice

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x
• 2x³+6x²+9x
• -2x³-6x²+9x
• 2x³-6x²+9x

Multiple Choice

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

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

 $\left(6x^2+4x+2\right)-\left(2x^2-x+8\right)$  

Multiple Choice

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

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

Multiple Choice

(5x⁴ - 4x³ - 2x² + x - 19) - (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ - 9x³ - 10x² - 24
• 4x⁴ - 9x³ - 10x² - 2x - 24
• 4x⁴ - 9x³ - 10x² + 2x - 24
• -4x⁴ - 9x³ - 10x² - 24