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4 years ago

Jake has proved that a function, f(x), is a geometric sequence. How did he prove that?

2 answers:

7 0

The defining characteristic of any geometric sequence is the common ratio, which is the constant found when dividing any term by the term preceding it.

C. He showed that f(n)/(f(n-1) was a constant ratio.

slava [35]4 years ago

4 0

The answer to your question is : C. He showed that f(n) ÷ f(n − 1) was a constant ratio.

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3 years ago

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Write an equation of the line that passes through (2,7) and is parallel to the line shown ( please help !! )

Anna007 [38]

Answer:

$y=2x+3$

Step-by-step explanation:

We will first need to determine the slope of the line shown.

We know that it passes through the two points (-2, -2) and (1, 4).

Thus, we can use the slope formula to find the slope between the two points:

$\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

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$\displaystyle m=\frac{4-(-2)}{1-(-2)}=\frac{6}{3}=2$

Hence, the slope of the original line was 2.

Since we want the new line to be parallel, the slope of the new line must also be 2.

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$y-y_1=m(x-x_1)$

We will substitute 2 for m. We will also let (2, 7) be (x₁, y₁). Substitute:

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3 years ago

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3 years ago

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Juli2301 [7.4K]

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Step-by-step explanation:

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3 years ago

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What value of c makes the polynomial below a perfect square? 4x2 + 12x + c?

Tema [17]

This is what we know:4x^2 + 12x + c = (2x + k)^2
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3 years ago

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