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IRISSAK [1]
3 years ago
15

4x+y=6 Graphs of equations in two variables

Mathematics
1 answer:
kirill [66]3 years ago
3 0

Answer:

Well all u need to do is use the Graph using the slope and y - intercept

Slope: - 4

Y - intercept: 6 Hope this helps :)

Step-by-step explanation:


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Find the exponential function that passes through the points (2,80) and (5,5120)​
juin [17]

Answer:

  y = 5·4^x

Step-by-step explanation:

If you have two points, (x1, y1) and (x2, y2), whose relationship can be described by the exponential function ...

  y = a·b^x

you can find the values of 'a' and 'b' as follows.

Substitute the given points:

  y1 = a·b^(x1)

  y2 = a·b^(x1)

Divide the second equation by the first:

  y2/y1 = ((ab^(x2))/(ab^(x1)) = b^(x2 -x1)

Take the inverse power (root):

  (y2/y1)^(1/(x2 -x1) = b

Use this value of 'b' to find 'a'. Here, we have solved the first equation for 'a'.

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In summary:

  • b = (y2/y1)^(1/(x2 -x1))
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For the problem at hand, (x1, y1) = (2, 80) and (x2, y2) = (5, 5120).

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The exponential function is ...

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3 0
3 years ago
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Y=2x-6 (4, 3)
(X, Y)
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