Adding and Subtracting Polynomials Lesson

"Sum" means to ​ (a)   the polynomials.

"Difference" means to ​ (b)   the polynomials.

• add
• subtract
• multiply
• divide

Why did she start with combining the squared terms?

• The first term in the problem was squared.

• The largest exponent in the problem was 2.

• It was based off the coefficients.

• It doesn't matter which term we start with.

When adding polynomials, we combine terms that have the same ______ and ______.

• variable

• exponent

• coefficient

• domain

• range

Why can't she drop the parenthesis when it's subtraction (like she did with addition)?

• She must distribute a negative ninja 1 by multiplying each term by -1.

• She must distribute a negative ninja 1 by adding each term by -1.

• She can drop the parenthesis like she did with addition.

• I don't know, I need to rewatch the video.

The last answer was a ​ (a)   degree of ​ (b)   with a leading coefficient of ​ (c)   .

• trinomial
• 4
• -1
• binomial
• monomial
• 2
• 3
• 1
• -2
• -3