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Ksju [112]
3 years ago
6

Whats the recursive and explicit formula for 2,6,18,54

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
3 0
You keep multiplying by 3. The recursion has nothing to do with 2. Thus, it is a_n=3*a_{n-1}
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Write an equation of the line that passes through the point (–1, 4) with slope 2. A. y+1=−2(x−4) B. y+1=2(x−4) C. y−4=2(x+1) D.
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Answer:

y-4=2\,(x+1)

which agrees with answer C in your list of possible answers.

Step-by-step explanation:

We can use the general point-slope form of a line of slope m and going through the point (x_0, y_0):

y-y_0=m(x-x_0)

which in our case, given the info on the slope (2) and the point (-1, 4) becomes:

y-y_0=m\,(x-x_0)\\y-4=2\,(x-(-1))\\y-4=2\,(x+1)

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Answer:

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Step-by-step explanation:

Isolate by the x from one side of the equation.

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Solve.

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\large\boxed{x=5}

Therefore, the solution is x=5.

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