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

how do I solve this 2(4x^3+9m+3x^2)

Why is cactus hill really important?

K, m,n each stand for a whole number. They add together to make 1500 K+m+n=1500 M is 3 times as big as n. K is twice as big a n. Calculate the numbers k, m, n

What is the fluid that fills the nucleus called?

With which of these positions would President Calvin Coolidge have agreed?

Marcus is doing a science experiment in which he measures the rate at which bacteria multiply. Every 15 seconds, the bacteria double in number. If there are 10

Which of the lines from the poem How do I love thee? (Sonnet 43) contains a change in intonation? A. I love thee freely, as men strive for Right; B. How do I lo

Which personal pronoun correctly completes the sentence? What is its use? Because so many leaves had fallen, their parents helped __________ rake the yard. A. t

the radius of a softball is almost 2 inches. The radius of a basketball is almost 5 inches How would the surface area of a basketball compare to the surface are

describe two different ways that a pollen grain can get to the stigma of a pistil ?