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raketka [301]
3 years ago
9

Is x+y=10 a direct variation?

Mathematics
2 answers:
weqwewe [10]3 years ago
7 0
Yes, x+y could possibly be a direct variation, but in order to determine that correctly, we need a second equation. 

If y varies directly with x, then it IS a direct variation. 
arlik [135]3 years ago
5 0
✡ Answer: True (yes) <span>✡

- -Why?

Because we can determine its a direct variation just based upon the x and y.

</span>✡Hope this helps<span>✡</span>
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Sketch the graph of y = (x + 3)2 – 4 and identify the axis of symmetry.
Sloan [31]

Answer: Thought I’d return the favor and help u with this question! But anyways, the axis of symmetry is at x = -3.

Explanatio: This can be found by looking at the basic form of vertex form:

y = (x - h)^2 + k

In this basic form the vertex is (h, k). By looking at what is plugged into the equation, it is clear that h = -3 and k = -4. This means the vertex is at (-3, -4).

It is a fact that the axis of symmetry is a vertical line of x = (vertex value of x). So we can determine that the axis of symmetry is at x = -3

i hope this helps u

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Fittoniya [83]

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What is the equation of the line represented by the table below? Х-2,-1,0,1,2 y16,11,6,1,-4
pashok25 [27]

Answer:

y = -5x + 6

Step-by-step explanation:

General equation of a line : y = mx + c......where c is intercept

To find m pick any two points..

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Using (y - y¹) / (x - x¹)

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To find c sub with any point for (x, y) and m

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; y = -5x + 6

5 0
3 years ago
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