Adding and Subtracting Polynomials

Match the following:

Identify the degree of the polynomial.

$$4x^2-x+14$$

Identify the degree of the polynomial.

$$-2x+4$$

Identify the degree of the polynomial.

$$x^4+9x^3-2x-7$$

Add the following polynomials.

Enter the correct answer. (Make sure to use x from your keyboard.)

$$(3x^2+5x-4)+(4x^2-x+14)$$

Add the polynomials. Enter the correct answer.

$$(-x^2+9x)+(2x^2-x)$$

Add the polynomials. Select the correct answer.

$$(4xy-2x-3y)+(6y+6x+5xy)$$

Add the polynomials.

$$(5rt-3rw-8tw)+(6rt-4rw+2tw)$$

Find the sum. Enter the answer. (Put them in the correct order.)

$$(3-2x+2x^2)+(4x-5+3x^2)$$

Subtract the polynomials.

$$(2a^2+5a+3)-(a^2-3a-4)$$