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andreyandreev [35.5K]
3 years ago
14

Which is the general form of the equation of the circle shown? x2 + y2 + 4x – 2y – 4 = 0 x2 + y2 + 4x – 2y + 2 = 0 x2 + y² – 4x

+ 2y – 4 = 0 x2 + y² – 4x + 2y + 2 = 0

Mathematics
2 answers:
sergiy2304 [10]3 years ago
8 0
For the first picture, the center is (-2,1) and the radius is 3.
For the second picture, the center is (-2,1) and the radius is square root of 3.
For the third picture, the center is (2,-1) and the radius  is 3.
For the last picture, the center is (2,-1) and the radius is square root of 3.

borishaifa [10]3 years ago
4 0

Answer:

THE ANSWER IS A

Step-by-step explanation:

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What is the slope of a vertical line?
alukav5142 [94]

Answer:

= unidentified

Step-by-step explanation:

6 0
3 years ago
Dr Adams measures the daily height of a Sunny Yellow sunflower, beginning when the sunfliwer is 60 days old. At 60 days, the hei
shepuryov [24]

Answer:

Our expression is 205+2d where d is days past 60.

Step-by-step explanation:

Since the sunflower is 205 centimeters at 60 days, every day after 60 will be greater than 205. We will start with 205 in our expression.

205

Now, each day after 60 the sunflower grows 2 centimeters per day. So day 61 will be:

205+2

Day 62 will be:

205 +2+2

Notice, that for two days past 60, the sunflower has grown 2 times as much.

Our expression is 205+2d where d is days past 60.

8 0
4 years ago
Tyler drew a diagram to expand (x + 5)(2x + 3).
goldenfox [79]
Answer: the expanded form is 2x^2+13x+15
Explanation:
2x^2 +3x +10x +15
2x^2+13x+15
6 0
3 years ago
After a bicycle tire has done 10 rotations, it has traveled 879.2 inches. Write and solve an equation to find the radius of the
scZoUnD [109]

Answer:

14in approx

Step-by-step explanation:

Given data

number of rotations= 10

Distance travelled=  879.2 inches

Hence if in 10 rotations the distance covered is  879.2 inches

               in 1 rotation the distance covered will be x inches

cross multiply

10x= 879.2

x=  879.2/10

x=  87.92 inches

This means that the circumference of the  tire is 87.92 in

From

C= 2πr

Let us solve for r

87.92=2*3.142*r

87.92=6.284r

r= 87.92/6.284

r= 13.9

Hence the radius is 14in approx

8 0
3 years ago
What is the exact distance between the point (-2,-1) and the point (6,8)
RUDIKE [14]
The answer is B. Use distance formula...

d =  \sqrt{(6 + 2) {}^{2}  + (8 + 1) {}^{2} }
6 0
4 years ago
Read 2 more answers
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