bellaclairef bellaclairef

03-03-2018
Mathematics

contestada

If c is a constant such that 9x^2+10x+c is equal to the square of a binomial, then what is c?

I NEED HELP SO BAD PLEASE PLEASE PLEASE

Respuesta :

AnythingToHelp AnythingToHelp

03-03-2018

(9x^2+10x+c) = (3x+b)^2
= 9x^2 + 6b x+ b^2

1) 6b= 10
b+ 5/3

2) c=b^2
c= (5/3) ^2
c= 25/9

(9x^2+10x+25/9)=(3x+5/3)^2

I hope this helps:)

Answer Link

Otras preguntas

Was the devastation of Pearl Harbor a result of American unpreparedness, or of superior Japanese planning?

Why were western land policies not working

What is the inciting incident of the conflict in "Lava"? Do you consider it to be a strong aspect of the story-telling? Why or why not?

Products that create deadly vapors are known as :

PLEASE HELP! WILL UP VOTE IF ANSWERED! List some of Nixon's actions and policies as president, and discuss their long-term effects. What is the Nixon legacy? Wh

What is another name for an animal that is only a primary consumer?

What is the solution of -5x > 25? a. x > -5 b. x 5 d. x < 5

which group of plants does not have internal vascular tubes

i really need help on 5,6,7&8 :(

what is the simpler form of the expression? (5d+2)(3d^2+8d-3) A. 15d^3 + 46d^2 + 1d - 6 B. 15d^3 + 34d^2 - 1d - 6 C. 15d^3 - 34d^2 + 1d - 5 D. 15d^3 + 34d^2 -