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(X+2)^2+(y-4)^2=16 what is the radius

Sholpan [36]

Answer:

The radius = 4

Step-by-step explanation:

considering the equation

$\left(x+2\right)^2+\left(y-4\right)^2=16$

As the standard form of the circle is

$\left(x-h\right)^2+\left(y-k\right)^2=r^2$

Match the values in this circle to those of the standard form.

The variable $r$ represents the radius of the circle,

$h$ represents the x-offset from the origin, and

$k$ represents the y-offset from origin.

$\mathrm{Rewrite}\:\left(x+2\right)^2+\left(y-4\right)^2=16\:\mathrm{in\:the\:form\:of\:the\:standard\:circle\:equation}$

$\left(x-\left(-2\right)\right)^2+\left(y-4\right)^2=4^2$

$\mathrm{Therefore\:the\:circle\:properties\:are:}$

$\left(h,\:k\right)=\left(-2,\:4\right),\:r=4$

Therefore, the radius = 4

5 0

3 years ago

HELP MEE!!!

SIZIF [17.4K]

A- none because they are parallel lines

5 0

4 years ago

How do you do number 9?

katrin [286]

The picture is not shown

6 0

3 years ago

Amy, Rick, and Nisha are investing in three different types of stocks. What type of stock is each person Investing in?

GenaCL600 [577]

Answer: Amy = domestic stock

Rick = Employer stock

Nisha = International stock

Step-by-step explanation:

Amy invests in shares that won't be affected by exchange rate fluctuations. This shows that the stock that Amy invested in is a domestic stock. These are the stocks that are usually sold by companies in the home country.

As a part of Rick's full-time benefits package, he can invest in compally stock. This shows that Rick invested in the employer stock.

Nisha needs to research the political situation in a specific country before she purchases stock. Nisha invested in an international stock.

4 0

3 years ago

A line with a slope of –4 passes through the point

Tpy6a [65]

Answer:

Given point ( 3 ,-8) and slope ( m) = -4

Step-by-step explanation:

The equation of line is given by 

y - y1 = m ( x - x1) 

y + 8 = -4 ( x -3)

y + 8 = -4x + 12

4x + y -12 +8 = 0

4x + y -4 = 0

which is the required equation. 

7 0

3 years ago

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