Adding and Subtracting Polynomials Answers

Adding which terms to 3x2y would result in a monomial? Check all that apply.3xy–12x2y2x2y27xy2–10x24x2y3x3

associative propertyclosure propertycommutative property

associative propertyclosure propertycommutative property

combined like termsgrouped like termswrote as addition of the additive inversewrote terms as addition of opposite

The revenue, in dollars, of a company that produces video game systems can be modeled by the expression 5x2 + 2x – 80. The cost, in dollars, of producing the video game systems can be modeled by 5x2 – x + 100, where x is the number of video game systems sold. If profit is the difference between the revenue and the cost, what expression represents the profit?

The family needs [___] yards of fencing for their home.

The family needs [___] yards of fencing for their pool.