21-06-2016
Mathematics

contestada

Show that 3 is a zero of the polynomial 2x^3-x^2-13x-6.

Respuesta :

Аноним Аноним

21-06-2016

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.

Answer Link

Otras preguntas

what percent of 150 is 60?

list 10 processes that occur while an organism is alive, but cease when it is dead.

What is the gel like substance in a plant and animal cell?

Iron is a solid, grey metal. Oxygen is a colorless gas. When iron and oxygen chemically combine , rust is made. Rust has a reddish brown color. Why does rust di

what is the equivalent of 1/50 : fraction , in decimal form

your body consists of 7/10 water. is more than 1/2 your body water. explain

your body consists of 7/10 water. is more than 1/2 your body water. explain

your body consists of 7/10 water. is more than 1/2 your body water. explain

what events led to british defeat at saratoga

Brand A scooter has a top speed that goes 2 miles per hour faster than Brand B. if after hours, Brand A scooter traveled 24 miles, at what rate did Brand B scoo