If n is a term of the sequence 2,5,8,11,..., which expression would give the value of n?

Mathematics

2 answers:

Wittaler [7]3 years ago

5 0

The term of the sequence is eleven 11

Elina [12.6K]3 years ago

4 0

First Find the difference between the numbers, in this case it's 3, then multiply it by n, so first you have 3n. Now, subtract this number from the first term, and put it on the end of your equation. Here we get -1. So the answer is 3n-1

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Graph the line whose y-intercept is -7 and whose x-intercept is 1

vesna_86 [32]

Answer:

$y=7x -7$

Step-by-step explanation:

We are given two points, the y - intercept and the x - intercept.

The y - intercept being: ( 0, -7 )

The x - intercept being: ( 1, 0 )

The equation of a line in slope - intercept form is:

y = mx + b, where m is the slope and b is the y - intercept.

We already have the y - intercept. So far we have:

y = mx - 7

What we're missing is the slope.

To find the slope, we can use this formula:

$\frac{y_{2}-y_{1} }{x_{2}-x_{1}}$ , where $x_{2}$ and $x_{1}$ are the x - coordinates of both points and $y_{2}$ and $x_{1}$ are the y - coordinates of both points.