14. A radio signal can transmit messages up to a distance of 5km. If the origin of the radio signal is located at a point whose coordinates are (-2, 7), what is the equation of the circle that defines the boundary up to which the messages can be transmitted? A. x* + y* + 4x + 14y + 28 = 0 B. x + y + 4x - 14y - 28 = 0 C. x* + y + 4x - 14y + 28 0 D. x + y? - 4x - 14y-28 = 0 15. Based on item number 14, the radio messages can still be transmitted to which of the following points? А. (-8, 7) В. (-2,0) C. (-2,5) D. (4, 7)
14. A radio signal can transmit messages up to a distance of 5km. If the origin of the radio signal is located at a point whose coordinates are (-2, 7), what is the equation of the circle that defines the boundary up to which the messages can be transmitted? A. x* + y* + 4x + 14y + 28 = 0 B. x + y + 4x - 14y - 28 = 0 C. x* + y + 4x - 14y + 28 0 D. x + y? - 4x - 14y-28 = 0 15. Based on item number 14, the radio messages can still be transmitted to which of the following points? А. (-8, 7) В. (-2,0) C. (-2,5) D. (4, 7)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.7: Solving Systems Of Linear And Quadratic Equations
Problem 21PPS
Related questions
Question
15-20 please
Transcribed Image Text:3:55 O ® t O d •
ở u u 51
В.
D.
9.
What makes the equation (x – 5)? + (y + 2v3)? = -9 NOT a circle?
A. One of the coordinates of the
C. The equation is not in the
standard form.
center is a radical.
B. Not all terms are in the
exponent of 2
10. Which of the following equations is a circle?
A. x2+y? + 4x + 5 = 0
B. x²+y? + 4x + 14y + 3 = 0
D. The radius is not a real number.
C. x²+y? – 4y + 8 = 0
D. x?+y? + 4x + 10y + 30 = 0
11. What is the equation of the circular plate whose center lies at (2,2) and
C. (x - 3)? + (y + 1)² = 26
D. (x - 2)2 + (y – 2)? = 26
12. A cirele has diameter with endpoints (5,-1) and (-7,-5), respectively.
which passes through (-3, 1)?
A. (x + 3)? + (y - 1)? = 26
B. (x + 2)? + (y + 2)? = 26
What are the coordinates of the center of the circle?
А. (6,3)
В. (-1,-3) С. (-3,-1)
D. (-6,-3)
13. Based on item number 12, how long is the radius of the circle?
A. 2y10 units B. 3y10 units C. 4V10 units
A radio signal can transmit messages up to a distance of 5km. If the origin of
the radio signal is located at a point whose coordinates are (-2, 7), what is the
equation of the circle that defines the boundary up to which the messages can
be transmitted?
A. x* + y* + 4x + 14y + 28 = 0
B. x +y? + 4x – 14y – 28 = 0
D. 5/10 units
14.
C. x* + y? + 4x – 14y + 28 = 0
D. x + y? - 4x – 14y – 28 = 0
15. Based on item number 14, the radio messages can still be transmitted to
which of the following points?
A. (-8,7)
В. (-2,0)
С. (-2,5)
D. (4,7)
NUEVA VIZCAYA GENRAL COMPREHENSIVE HIGH SCHOOL
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Telephone Nos: 1078) 392-1843
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Page | 70
16. The school Wifi router is located at
For items 16 – 20.
the administration building and its
signal can reach a radius until the
English LRC.
coordinates of the location of the
y
. What
are
the
router?
А. (2,5)
В. (-2,5)
С. (-2,-5)
D. (2,-5)
17. How far is the Administration
MAPEH
LRC
English LRC
Mathematics LRC
Building from the English LRC?
A. 5V2 units
B. 4V2 units
С. З/2 units
D. 2v7 units
Administration Building
18. What is the equation of the circle that defines the boundary of the Wifi
signal?
A. (x + 2)? + (v + 5)? = 50
C. (x - 2)? + (y + 5)? = 50
19. Can the wifi signal reach the Mathematics LRC?
A. Yes
20. Is the MAPEH LRC within the service range?
A. Yes
B. (x + 2)2 + (y - 5)2 = 50
D. (x - 2)2 + (y – 5)? = 50
В. No
С. Мауbe
D. Cannot be determined
В. No
C. Maybe
D. Cannot be determined
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