7.1 Day 1- Algebra 1

7.1 Day 1: Adding Polynomials

Multiple Choice

First: What is a coefficient?

• The number in front of a variable.

• The exponent of a variable.

• A constant.

• A variable.

Multiple Choice

What are like terms?

• The same coefficients.

• The same variables with different exponents.

• Terms with the same variable and exponents combination.

• Different variables with same exponents.

Multiple Choice

Which are like terms?

• $$3x^2y^3\ \ and\ -5x^2y^2\$$

• $$2x^3y^4\ and\ −3x^3y^4$$

• $$5x^2y^2\ and\ 5x^3y^3$$

• $$2xy\ and\ 5ab$$

Multiple Choice

Add the following: 3x²y⁴ + 7x²y⁴

• 10x⁴y^⁸

• 21x²y⁴

• 21x⁴y⁸

• 10x²y⁴

Multiple Choice

$$Add:\ (9x^3+5x^2−3x)+(4x^3−8x^2+7x)$$  

• undefined

• undefined 

• undefined 

• undefined 

Multiple Choice

$$Add:\ \ \left(-4k^4+14+3k^2\right)+\left(-3k^4-14k^2-8\right)$$  

•  

  undefined

•  

  undefined 

• undefined 

• undefined 

Multiple Choice

$$Add:(9r^3+5r^2+11r)+(−2r^3+9r−8r^2)$$  

• undefined 

• undefined 

•  

  undefined

• undefined 

Multiple Choice

State whether the terms are like or unlike terms.

3y;3y

• like

• unlike

Open Ended

State whether the terms are like or unlike terms.

2x;2x²

Poll

State whether the terms are like or unlike terms.

x²y; xy²

• like

• unlike

Multiple Choice

(4x² + 3) + (x² − 3x + 5)

• 4x² - 3x + 8

• 4x² + 3 - 3x + 5

• 5x² + 0x + 5

• 5x² - 3x + 8