190k views
4 votes
Help now pls! Algebra 1 HW stuck on a question

Question:

The polynomial, 5v to the 3rd - 4v to the 2nd + 10v is subtracted from the polynomial, 7v to the 2nd + 2v to the 3rd -7v. The difference can be expressed as av + bv+ cv + d. Rudy said that the value of a is 3. Is Rudy correct? Justify your answer

User Pehrs
by
4.8k points

1 Answer

6 votes

Answer:

false a = -3

Explanation:

7v^2 + 2v^3 -7v - (5v^3 -4v^2 +10v)

7v^2 + 2v^3 -7v - 5v^3 +4v^2 -10v

-3v^3 + 11v^2 -17v

User Serafim Suhenky
by
4.9k points