1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mars1129 [50]
3 years ago
15

Is this equation standard form of an ellipse or circle?

Mathematics
1 answer:
Usimov [2.4K]3 years ago
4 0
The standard form equation for a circle is

(h-x)^2+(k-y)^2=r^2

where (h, k) is the center and r is the radius.

The standard form equation for an ellipse is

\frac{(x-h)^2}{a^2}} + \frac{(y-k)^2}{b^2} = 1

(center h, k and major and minor axes a and b)

This equation is standard form for neither, but might be general form for one.

-3x^2-3y^2-12x-12y+24=0 \\ -3(x^2+y^2+4x+4y)=-24 \\ x^2+4x+y^2+4y=8\ (complete\ the\ squares)\\ (x^2+4x+4)+(y^2+4y+4)=8+4+4\\ (x+2)^2+(y+2)^2=16 \\ Circle\ with\ radius\ 4\ and\ center\ (2,\ 2)
You might be interested in
Please help 8x -4 - 6x + 9 ​
andre [41]
Your answer should be 2x+5 if you are supposed to simply the expression
8 0
3 years ago
A circular pizza with a diameter of 8 inches. The pizza is in a square box with side lengths of 8 inches. In square inches, how
Mumz [18]

Step-by-step explanation:

13.70 square inches of the box is empty

8 0
3 years ago
Tom says that he needs 6 rolls to obtain each possible outcome on a 6-sided die. On the fourth roll, he rolls his second "3". To
Anna11 [10]

Answer:

Tom is incorrect

Step-by-step explanation:

The odds of getting any number on a 6-sided die are 1:6

Every time he rolls, there is a 1:6 chance he gets any number.  Therefore, it is totally plausible to get the same number again.  As the number of rolls tends toward infinity, the ratio of each number occurring to number of rolls equals 1:6.  

3 0
3 years ago
Read 2 more answers
Help please? 10 points. Correctly
Romashka [77]

From the Figure :

Point A is (-3 , -3)

Point B is (6 , 6)

We know that, The Mid Point of Two Points (x₁ , y₁) and (x₂ , y₂) is given by :

\mathsf{\implies [(\frac{x_1 + x_2}{2})\;,\;(\frac{y_1 + y_2}{2})]}

\mathsf{\implies Midpoint\;of\;Line\;AB\;is\;[(\frac{-3 + 6}{2})\;,\;(\frac{-3 + 6}{2})]}

\mathsf{\implies Midpoint\;of\;Line\;AB\;is\;[(\frac{3}{2})\;,\;(\frac{3}{2})]}

\mathsf{\implies Midpoint\;of\;Line\;AB\;is\;(1.5,1.5)}

4 0
3 years ago
Find the mean of the data set 31,31,22,28,23?
Lina20 [59]
The mean is 27 
How you do this is you add all the numbers together even the ones that are duplicated like in this case 31. Now add em all up which equals 135. Now you take the number that they equal up to and divide by how many numbers are in the set of data in this case it is 5. After dividing you get 27.
I hope this helps!
3 0
3 years ago
Read 2 more answers
Other questions:
  • Simplify each product and write each expression in standard form, show your work please
    12·1 answer
  • Draw a number line and show all numbers that are 2/3 of a unit to the left of 1/2
    15·1 answer
  • Henry bought a magazine for $5 and two vitamin waters. Henry spent a total of $11. How much did each vitamin water cost?​
    8·1 answer
  • Find the measure of angle X
    15·2 answers
  • I am having trouble i need help.
    13·2 answers
  • Current research indicates that the distribution of the life expectancies of a certain protozoan is normal with a mean of 49 day
    5·1 answer
  • Please help me find the area of the figure!!
    13·1 answer
  • 1. What is the value of x in the equation below? -6x + 9 = 33 ​
    15·2 answers
  • At a​ little-known vacation​ spot, taxi fares are a bargain. A 18​-mile taxi ride takes 21 minutes and costs ​$12.60. You want t
    7·1 answer
  • Once upon a time I weighed 120 pounds. Now I weigh 225 pounds. What is the percent change?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!