Adding and Subtracting Polynomials

Question 1

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

Question 2

x + 20x – 1803x + 203x – 180

Revolt · Accepted Answer

3x – 180; Profit can be modeled by the polynomial expression .: 3x – 180; If 1,000 video game systems are sold, the company’s profit is $ .: 2,820

Question 3

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. Use the drop-down menus to identify the steps Lorne used to find the difference.

Revolt · Accepted Answer

38; 160; 40

Question 4

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

Revolt · Accepted Answer

160

Question 5

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

Revolt · Accepted Answer

40

Question 6

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

Revolt · Accepted Answer

wrote as addition of the additive inverse; wrote terms as addition of opposite; grouped like terms; combined like terms

Question 7

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

Revolt · Accepted Answer

wrote terms as addition of opposite

Question 8

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

Revolt · Accepted Answer

grouped like terms

Question 9

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

Revolt · Accepted Answer

combined like terms

Adding and Subtracting Polynomials Answers