13-06-2016
Mathematics

contestada

What is the focus of the parabola
(y-3)^2=8(x-5)?

Respuesta :

13-06-2016

Hello,

Let's suppose y'=y-3
and x'=x-5
Parabola become y'²=8x' whose focus is (8/4,0)=(2,0)

y=y'+3==>y=0+3=3
x=x'+5==>x=2+5=7
Focus is (7,3)
Rem for parabola y²=kx focus is (k/4,0)

Answer Link

Otras preguntas

What was one significant indication that the European feudal system was effective? Similar systems developed in China and Japan. European peasants voted to keep

At which conference was the Allied invasion of Italy agreed upon? A. Tehran B. Casablanca C. Yalta D. Potsdam

What was the result of the English Civil War?

What was the Trail of Tears?

At the beginning of winter, frogs burrow into the mud at the bottom of lakes, where they go into a hibernation-like state. Which characteristic of life is thi

3 times what equals 44

What is the ratio of cans to price be if there are 24 cans and they are 2 for $9

cuando usted necesitar el libro? Correct conjugation ?

The Townshend Acts and The Writs of Assistance search and seizure laws were worse than the other taxes and laws.

When Columbus set sail, most Europeans believed the world was flat and that his ships would fall off. a. true b. false a. Spain b. Italy c. Portugal d. France