The equation (x+6)^2y+4)^2=36

Asked by maham237 @ 18/12/2020 in Mathematics viewed by 306 People

models the position and range of the source of a radio signal. Describe the position of the source and the range of the signals

Answered by maham237 @ 18/12/2020

A circle equation is :
( x - p )² + ( y - q )² = r², where p and q are coordinates of the center.
The position of the source is : ( - 6, - 4 ) and the range :
r² = 36 ⇒ r = 6

Which equation is the inverse of 5y+4 = (x+3)^2 + 1/2?

Asked by maham237 @ 22/12/2020 in Mathematics viewed by 319 persons

Which equation is the inverse of y = 100 - x^2

Asked by maham237 @ 22/12/2020 in Mathematics viewed by 368 persons

Which equations are true for x 2 and x 2

Asked by maham237 @ 25/05/2021 in Mathematics viewed by 326 persons

Which equations are true for x = –2 and x = 2? Check all that apply. x2 – 4 = 0 x2 = –4 3x2 + 12 = 0 4x2 …

Which equation is true for x 6 and x 2

Asked by maham237 @ 23/05/2021 in Mathematics viewed by 359 persons

x = –6 and x = 2? 2x2 – 16x + 12 = 0 2x2 + 8x – 24 = 0 3x2 – 4x – 12 = 0 3x2 + …

Which equation is the inverse of (x-4)^2-2/3=6y-12

Asked by maham237 @ 29/11/2020 in Mathematics viewed by 479 persons

The roots of the equation x 2 2x 5 0

Asked by admin @ 02/08/2021 in Math viewed by 353 persons

Roots of equation x2 + 2x + 5 = 0 are:

Which graph matches the equation y 3 2 x 3

Asked by maham237 @ 29/12/2020 in Mathematics viewed by 582 persons

Which graph matches the equation y+3=2(x+3)?

Factorise 7 x 2y 2 25 x 2y 12

Asked by admin @ 23/08/2021 in Math viewed by 305 persons

Factorise :- 7 ( x - 2y )^2 - 25 ( x - 2y ) + 12

Which equation has a graph that lies entirely above the x-axis?

Asked by maham237 @ 01/12/2020 in Mathematics viewed by 530 persons

Oy= -(x + 7)2 + 7 O y=(x-77²-7 y = (x – 7)2 + 7 y = (x – 7)

Which equation is equivalent to 2 4x 8 x 3

Asked by maham237 @ 23/05/2021 in Mathematics viewed by 314 persons

equivalent to 2^4x=8^x-3? 2x^4=2^(2x-3) 2x^4=2^(2x-6) 2x^4=2^(3x-3) 2x^4=2^(3x-9)

Which equation is the inverse of 2(x – 2)2 = 8(7 + y)?

Asked by wiki @ 29/10/2020 in Mathematics viewed by 506 persons

Which equation is the inverse of 2(x – 2)2 = 8(7 + y)? D.y=+or-sqrt28+4x so the answer is D.

Which statement best describes the equation (x + 5)2 + 4(x + 5) + 12 = 0?

Asked by wiki @ 07/11/2020 in Mathematics viewed by 642 persons

A)The equation is quadratic in form because it can be rewritten as a quadratic equation with u substitution u = (x + 5). B)The equation is quadratic in form because …