AbhiramAkella AbhiramAkella

26-04-2019
Mathematics

contestada

What is the radius of the circle given by the equation below?

A. 3
B. 9
C. 11
D. 1.5

What is the radius of the circle given by the equation below A 3 B 9 C 11 D 15 class=

Respuesta :

samuelrengifo samuelrengifo

26-04-2019

Answer:

A. 3

Step-by-step explanation:

Hello

X^2 + 8X + (8/2)^2 + Y^2 + 14Y + (14/2)^2 = (8/2)^2 + (14/2)^2-56

(X+4)^2 + (Y+7)^2 = 16 + 49 - 56

(X+4)^2 + (Y+7)^2 = 9

Then

The radius for that circle is 3

Best regards

Answer Link

Otras preguntas

What is equal representation?

Pollution in cities during the late 1800s was caused in part by horses, coal, and inadequate sewer systems. a. True b. False

read and write the number in two other forms 600,000 plus 80,000 plus 10

What are the zeroes of f(x) = x2 - 6x + 8? (4 points) x = -4, 2 x = -4, -2 x = 4, 2 x = 4, -2

Which country was NOT part of the Allied Powers during World War I? a. Austria-Hungary b. Serbia c. Great Britain d. France

Which of the following is the science of naming and classifying living things? a. species b. classification c. Eukarya d. taxonomy

is 3 tenths multiplied by 100 equal 300 thousandths

How does a fern tree get energy?

Jonathans parents told him that for every 5 hours of homework or reading he completes he will be able to play 3 hours of video games. his friend Lucas parents t

A person can achieve optimum daily nutrition by a. eating a variety of healthy foods. b. drinking at least six glasses of juice. c. excluding all fat from hi