Register
Show that 3 is a zero of the polynomial 2x^3-x^2-13x-6.
214k views
1 vote
Show that 3 is a zero of the polynomial 2x^3-x^2-13x-6.

User Rzrelyea
by
8.2k points

1 Answer

6 votes
p(x) = 2x³-x²-13x-6

p(3) = 2(3)³ -3² -13*3 -6

= 2*27 -9-39-6

= 54-9-39-6

= 0

therefore 3 is the zero of the polynomial.



User Eugensk
by
8.1k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!