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Radda [10]
2 years ago
12

What is the standard form of this equation of a circle?

Mathematics
2 answers:
Olenka [21]2 years ago
5 0
<span>x² + y² + 14x − 4y − 28 = 0

x² +14x +y² - 4y =28
x²+2*7x  +7² -7²  + y² - 2*2y +2² - 2² = 28
(x+7)² + (y-2)² -7²-2² =28
</span>(x+7)² + (y-2)²=28+49+4

(x+7)² + (y-2)² =81 is the answer.
Marina CMI [18]2 years ago
5 0

(x2 + 14x + 49) + (y2 − 4y + 4) − 28 = 49 + 4

(x + 7)2 + (y − 2)2 − 28 = 49 + 4

(x + 7)2 + (y − 2)2 = 49 + 4 + 28 = 81.

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287,002 in expanded form
tester [92]
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4 0
3 years ago
I will be forever in your debt, ( and a brainiest) if you help me
gogolik [260]

Answer:

Step-by-step explanation:

12P3 = 12! / (12-3)!

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3 0
2 years ago
What’s 7^4 simplified <br><br><br> 24 POINTS HELP QUICK AA
Blababa [14]

Answer:

2401

Step-by-step explanation:

because 7*7*7*7=2401

4 0
2 years ago
Read 2 more answers
3e + 7 - e and 2e + 10 + 2e -3
ch4aika [34]

Answer:

The sum is

6e  + 14

Step-by-step explanation:

Assuming we are finding the sum of :

3e + 7 - e and 2e + 10 + 2e -3

Then we set up the addition as follows:

3e + 7 - e + 2e + 10 + 2e - 3

We group similar try to get:

3e  - e + 2e +  2e - 3 + 7 + 10

We now combine the similar terms to obtain:

6e  + 14

Therefore the sum is

6e  + 14

5 0
3 years ago
Gffdsfsdsfghjkjhgfdsasdfgbhnj utefjfifkcryekxe
Setler [38]

Answer:

HUh? LOL

Step-by-step explanation:

6 0
3 years ago
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