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Darya [45]
3 years ago
5

Write an equation in point slope form through the point (3,-1) with a slope of 2

Mathematics
1 answer:
klio [65]3 years ago
8 0

Answer:

y+1 = 2 (x -3)

Step-by-step explanation:

Point slope form is

y - y_{1}=m(x-x_{1})

The points you have are (3, -1). The 3 is x_{1} and the -1 is y_{1}

The slope, m, is 2.

Plugin the numbers for the variables.

y - -1 = 2 (x -3)\\y + 1 = 2 (x - 3)

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This circle is centered at the origin, and the length of its radius is 8. What is
Kitty [74]

\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \tt \rightarrow \: x² + y² = 64

____________________________________

\large \tt Solution  \: :

Standard equation of circle is :

\qquad \tt \rightarrow \: (x - h) {}^{2}  + (y - k) {}^{2}  =  {r}^{2}

  • \textsf{h = x - coordinate of centre of circle}

  • \textsf{k = y - coordinate of centre of circle}

  • \textsf{r = radius= 8}

Since the circle is centered at origin, h = k = 0

\qquad \tt \rightarrow \: (x - 0) {}^{2}  + (y - 0) {}^{2}  =  {8}^{2}

\qquad \tt \rightarrow \:  {x}^{2}  +  {y}^{2} = 64

Answered by : ❝ AǫᴜᴀWɪᴢ ❞

4 0
2 years ago
18_ (-20) = -2 how do I figure out if it is add, subtract, multiply, or divide​
charle [14.2K]
Hopes this helps:

Answers: Subtract

Just remove the parentheses
18-20

Simply: -2
5 0
3 years ago
What is the value of x?<br> 1/4x + 7 = 12
tatyana61 [14]
1/4x+7=12

Subtract 7 from both sides

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Divide by 1/4 or multiply by the reciprocal

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8 0
3 years ago
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allochka39001 [22]
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I think the answer is...
To divide both sides by 12!
Hope this helps! :)
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3 years ago
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