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Maurinko [17]
3 years ago
5

Timed test please help. Can someone please help me explain how you graph the circle from the equation below and how you find the

center and the radius? I will mark brainliest.

Mathematics
2 answers:
ryzh [129]3 years ago
5 0
Well, you have the radius and the center already. So all you have to do is graph the center point, then count from that center point out 5 units, then draw the circle.
Simora [160]3 years ago
4 0

Answer:

Explanation: All you have to do is graph the center point, then count from that center point out 5 units, then draw the circle.

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Suppose y varies directly with x. If y = -4 when x = 8, what is the equation of direct variation?
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\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \textit{we also know that }~~ \begin{cases} y=-4\\ x=8 \end{cases}\implies -4=k(8)\implies \cfrac{-4}{8}=k\implies -\cfrac{1}{2}=k \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=-\cfrac{1}{2}x~\hfill

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3 years ago
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Quiz
Serjik [45]

Answer:

78

Step-by-step explanation:

5^2 = 25 5^3 = 125 them two added together equals 150

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8 0
3 years ago
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beks73 [17]

Hello There!

The first one seems alright.

The second one it would be 1/2.

This is because half of the options have “R” on them.

7 0
3 years ago
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stira [4]
Hello,

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