01-04-2017
Mathematics

contestada

what value of c makes 3x^2+24x+c contain a perfect square trinomial

Respuesta :

Аноним Аноним

13-04-2017

One way to determine the value of c is to do completing the square. We do as follows:

3x^2+24x+c = 0
3x^2+24x = -c
3 (x^2 + 8x ) = -c
3 (x^2 + 8x + 16 ) = -c + 48

Since -c + 48 should be equal to zero thus,

-c + 48 = 0
c = 48

Answer Link

Otras preguntas

One tank is filling at a rate of 5/8 gallon per 7/10 hour. A second tank is filling at a rate of 5/9 gallon per 2/3 hour. Which tank is filling faster? WHY? WHY

__________ was the Roman General who conquered Gaul, then went on to march on Rome and make himself dictator for life until he was assassinated in the forum.

integer problems that equal 36

22 is 44% of what number?

On early Earth, what was referred to as the "primordial soup"? a. The mixture of gasses in the early Earth's atmosphere. b. The combination of organic compounds

Can you give examples of carbon in our living environment?

What energy transformations take place before digestion

Simplify the expressions 1.) 8n-(n-3) 2.) 20u-6(u+5) 3.) -w+4-(3w-13) 4.) p-5(2-3p)+1 Find the coefficients ,contstants and like terms of each problem above.

Which statement about the cell wall is true? a. It controls protein synthesis. b. It gives the animal cell its shape. c. It is surrounded by the cell membrane.

Why did the colonial army invade Canada? a. to prevent a British invasion from the north b. to recapture lost land and territory from the French and Indian War