A Which of the following equationsdescribes a circle on a coordinate planewith a radius of 8 units?9What is the general form of the equationfor the circle whose graph is shown below?(x – 4)² + (y – 4)² = 4²b. (x– 2)² + (y– 2)² = 8²(x+ 2)² – (y + 2)² = 82d. (x- 4)² + (y– 4)² = 64²a.C.6 What is the center-radius form of theequation x² + y + 2x– 4y– 11 = 0?a. (x- 1)² + (y - 2)² = 11b. (x- 1)2 + (y – 2)² = 16c. (x+ 1)² + (y – 2)² = 11d. (x+ 1)2 + (y– 2)² = 168.2.a. x + y – 4x – 6y +9 = 0b. x + y +4x + 6y + 9 = 0x² + y – 2x- 3y+ 9 = 0d. x + y +2x + 3y+ 9 = 07 The endpoints of a diameter of a circle areL(-3, -2) and G(9, -6). What is the lengthс.of the radius of the circle?10What is the general form of the equationfor the circle whose graph is shown below?V 10a.b. 2V 10 92074V 10C.dti ns barmolabiora ow T.aEmot botgaisfni odsd. 8V10 78On a grid map of a province, theai ndcoordinates that correspond to the locationof a cellular phone tower is (-2, 3), and thistower can transmit signals up to a 12-kmradius. What is the equation that representsthe transmission boundaries of the tower?reini odix+y – 4x + 6y– 131 = 0b. x+y +4x- 6y– 131 = 0c. x+y – 4x– 6y+ 159 = 0d. x + y+ 4x-6y+ 159 = 0 1sdW SSа.a. x + y* + 2x – 4y– 4 = 0b. x + y' + 4x- 8y – 4 = 0ST APSLbam + y – 2x + 4y – 4 = 0d. *+ア-4x+ 8y-4=0$3 APP(4 at J6dW.as

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!

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.

Chapter10: Analytic Geometry

Section10.3: Preparing To Do Analytic Proofs

Problem 41E

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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

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