02-05-2022
Mathematics

contestada

Which is zero of the polynomial expression 7x+21

Respuesta :

mauverandol mauverandol

02-05-2022

The expression will have a zero when it’s equation is equal to zero:

7x+21=0

Now solve for x, start by isolating the variable (x) by subtracting 21 from both sides

7x = -21

The only thing stopping c from being by itself is 7, so we divide both sides by 7 to isolate x

x = -3

Answer Link

Otras preguntas

Let x be a number. Rewrite the expression in a simpler form. (2x3)(17x) =

find the quotient and remainder

what is projectile motion and hiw can one find the angle of projection

Ashley earns $5 per hour babysitting. How much will she earn in 3 hours?

Please solve fast Q No. 3 , 4, 5, 6, 7 , 8 ,9 and 10.

shamillia sent 60 text messages. 15% of those messages were to her mother. how many text messages did shamillia send to her mother ?

Identify the hypothesis of the statement.If AB is a segment, then it has two endpoints. A. AB is a segment. B. If AB is a segment. C.The segment has two endpoin

What important work do farmers do in middle of the United States? They ride most of the world's tractors. D They raise most of the world's animals. They provide

7. These values represent the expected number of paintings a person will produce over the next 10 days. 0, 0, 0, 1, 1, 1, 2, 2, 3, 5 a. What are the mean and st

Bacteria enter the body because it is an ___ ___ and a source of ___.