RandomHumanBeing
RandomHumanBeing RandomHumanBeing
  • 16-04-2017
  • Mathematics
contestada

If (x+2) is a factor of 3x^2+14x+k, what is the value of k?

Respuesta :

irspow
irspow irspow
  • 16-04-2017
If (x+2) is a factor of 3x^2+14x+k, the equation must equal zero when x=-2 so:

3(-2)^2+14(-2)+k=0

12-28+k=0

-16+k=0

k=16
Answer Link

Otras preguntas

Help ASAP please!! Thanks! Capitalize and punctuate each part of the following friendly letter. june 24 1996 dear jill i can hardly wait to see you at ca
When minority groups enter the us, they are typically either or?
A circuit that has only a single path for current to flow through is best classified into which category?
A student of Chuang-tzu complains about the uselessness of a large gourd. Chuang-tzu scolds him because: a. He did not consider uncommon applications. c. He
What do n equal in 5n + 5 = 45 ?
The following data needs to be put into a stem-and-leaf plot. 36.7, 38.1, 35.4, 37.4, 39.0, 33.6, 34.7, 36.9, 38.7, 35.5, 36.8, 33.7, 34.8, 39.7, 37.2, 36.8 Whi
a farmer enclose section
Solar energy that has been absorbed by the atmosphere is transported around the earth by?
what is the equation answer
Susan germinated a seed and watered the growing plant regularly. The plant produced flowers in the second year and died. Which type of plant could it be? annu