Which of the following equations describes a circle on a coordinate plane with a radius of 8 units? (x- 4)² + (y – 4)² = 4² b. (x– 2)² + (y– 2)² = 8² (x+ 2)² – (y + 2)² = 8² d. (x- 4)2 + (y – 4)² = 64² a. %3D %3! C. %3!

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Question
A Which of the following equations
describes a circle on a coordinate plane
with a radius of 8 units?
9
What is the general form of the equation
for the circle whose graph is shown below?
(x – 4)² + (y – 4)² = 4²
b. (x– 2)² + (y– 2)² = 8²
(x+ 2)² – (y + 2)² = 82
d. (x- 4)² + (y– 4)² = 64²
a.
C.
6 What is the center-radius form of the
equation x² + y + 2x– 4y– 11 = 0?
a. (x- 1)² + (y - 2)² = 11
b. (x- 1)2 + (y – 2)² = 16
c. (x+ 1)² + (y – 2)² = 11
d. (x+ 1)2 + (y– 2)² = 16
8.
2.
a. x + y – 4x – 6y +9 = 0
b. x + y +4x + 6y + 9 = 0
x² + y – 2x- 3y+ 9 = 0
d. x + y +2x + 3y+ 9 = 0
7 The endpoints of a diameter of a circle are
L(-3, -2) and G(9, -6). What is the length
с.
of the radius of the circle?
10
What is the general form of the equation
for the circle whose graph is shown below?
V 10
a.
b. 2V 10 9207
4V 10
C.
dti ns barmol
abiora ow T.aE
mot botgaisfni ods
d. 8V10 7
8
On a grid map of a province, the
ai nd
coordinates that correspond to the location
of a cellular phone tower is (-2, 3), and this
tower can transmit signals up to a 12-km
radius. What is the equation that represents
the transmission boundaries of the tower?
reini odi
x+y – 4x + 6y– 131 = 0
b. x+y +4x- 6y– 131 = 0
c. x+y – 4x– 6y+ 159 = 0
d. x + y+ 4x-6y+ 159 = 0 1sdW SS
а.
a. x + y* + 2x – 4y– 4 = 0
b. x + y' + 4x- 8y – 4 = 0
ST APSL
bam + y – 2x + 4y – 4 = 0
d. *+ア-4x+ 8y-4=0
$3 APP
(4 at J6dW.as
Transcribed Image Text:A Which of the following equations describes a circle on a coordinate plane with a radius of 8 units? 9 What is the general form of the equation for the circle whose graph is shown below? (x – 4)² + (y – 4)² = 4² b. (x– 2)² + (y– 2)² = 8² (x+ 2)² – (y + 2)² = 82 d. (x- 4)² + (y– 4)² = 64² a. C. 6 What is the center-radius form of the equation x² + y + 2x– 4y– 11 = 0? a. (x- 1)² + (y - 2)² = 11 b. (x- 1)2 + (y – 2)² = 16 c. (x+ 1)² + (y – 2)² = 11 d. (x+ 1)2 + (y– 2)² = 16 8. 2. a. x + y – 4x – 6y +9 = 0 b. x + y +4x + 6y + 9 = 0 x² + y – 2x- 3y+ 9 = 0 d. x + y +2x + 3y+ 9 = 0 7 The endpoints of a diameter of a circle are L(-3, -2) and G(9, -6). What is the length с. of the radius of the circle? 10 What is the general form of the equation for the circle whose graph is shown below? V 10 a. b. 2V 10 9207 4V 10 C. dti ns barmol abiora ow T.aE mot botgaisfni ods d. 8V10 7 8 On a grid map of a province, the ai nd coordinates that correspond to the location of a cellular phone tower is (-2, 3), and this tower can transmit signals up to a 12-km radius. What is the equation that represents the transmission boundaries of the tower? reini odi x+y – 4x + 6y– 131 = 0 b. x+y +4x- 6y– 131 = 0 c. x+y – 4x– 6y+ 159 = 0 d. x + y+ 4x-6y+ 159 = 0 1sdW SS а. a. x + y* + 2x – 4y– 4 = 0 b. x + y' + 4x- 8y – 4 = 0 ST APSL bam + y – 2x + 4y – 4 = 0 d. *+ア-4x+ 8y-4=0 $3 APP (4 at J6dW.as
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