2 years ago

Which are the center and radius of the circle with this equation? x^2 - 4x + y^2 + 2y = 0

Mathematics

1 answer:

natulia [17]2 years ago

7 0

Answer:

C = (2, - 1)

$r \: = \: \sqrt{5}$

Step-by-step explanation:

Look at the picture

You might be interested in

Needs solved now please!

kati45 [8]

Answer:

see explanation

Step-by-step explanation:

Given

(2m + 5n)² = (2m + 5n)(2m + 5n)

Each term in the second factor is multiplied by each term in the first factor, that is

2m(2m + 5n) + 5n(2m + 5n) ← distribute both parenthesis

= 4m² + 10mn + 10mn + 25n² ← collect like terms

= 4m² + 20mn + 25n² ← perfect square trinomial

6 0

2 years ago

Read 2 more answers

Solve |3k-2|=2|k+12|

Stella [2.4K]

Answer:

$k = 26$ or $k = -\dfrac{22}{5}$

Step-by-step explanation:

|3k - 2| = 2|k + 12|

$\dfrac{|3k - 2|}{|k + 12|} = 2$

$|\dfrac{3k - 2}{k + 12}| = 2$

$3k - 2 = 2(k + 12)$ or $3k - 2 = -2(k + 12)$

$3k - 2 = 2k + 24$ or $3k - 2 = -2k - 24$

$k = 26$ or $5k = -22$

$k = 26$ or $k = -\dfrac{22}{5}$

7 0

3 years ago

What is the smaller x and what is the larger x?

kiruha [24]

both are 2

check

2²+3(2)-10=0

4+6-10=0

10-10=0

0=0

6 0

2 years ago

4x squared times -3x ^-5 y squared

Ad libitum [116K]

Answer:

Rewrite this question

5 0

3 years ago

Please help me answer this

lys-0071 [83]

No when you subtract the 2 balances, there is a difference of 33.34. 1201.1-38.34=1162.76

8 0

3 years ago