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Gnoma [55]
3 years ago
6

Example 3 Could x^2+y^2+AX +????Y +????=0 represent a circle

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
8 0

Answer: Yes it could

Step-by-step explanation:

The equation given is a circle. For an equation to represent equation of a circle, the following conditions must be met

1.) The coefficient of x² and y² must be the same

2) The equation must have a linear function containing x and y like AX and ???Y in the equation above.

Since the equation given conforms with the general of a circle x²+y²+2gx+2fy+c = 0, therefore the equation could represents a circle

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4x - 6 = 30 can you solve it
olya-2409 [2.1K]

Answer:

x = 9

Step-by-step explanation:

take -6 to the other side so you add it to 30 = 36

equation is now 4x = 36

divide 4/4 and 36/4

x = 9

6 0
3 years ago
What is the algebraic description for a transformation that translates the
MrRissso [65]

Answer:

nhgtf

Step-by-step explanation:

7 0
3 years ago
What is the equation in point slope form of the line that passes through the point (−1, −3) and has a slope of 4?
Firlakuza [10]

Answer:

(y-(-3))=4(x-(-1))

Step-by-step explanation:

formula for point slope form is:

y-y1=m(x-x1)

just plug in numbers from the point (-1, -3) for x1 and y1. The slope 4, would plug into m.

6 0
3 years ago
If you invest $500 at 4% interest,compounded annually,how much is in the account at the end of six years?
Genrish500 [490]
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500 x 0.04 x 6 = 120.
This means they'll have made $120 in interest in 6 years if they don't touch the money. We will add the 120 to the 500.
500+120= 620

They will have a total of $620 in their account after 6 years.




3 0
3 years ago
A sphere has a radius of 15 m. If the radius is divided by 5, what is the effect on the surface area?
Romashka [77]
The surface area is multiplied by 5.
The surface area is divided by 5.
The surface area is divided by 25.
The surface area is multiplied by 25.
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3 years ago
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