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3 years ago

Which of these equations represents a line parallel to the graph of the equatioNy=-1/3x-5

Mathematics

1 answer:

ankoles [38]3 years ago

7 0

Answer:

$y=-\frac{1}{3}x\pm c$

Step-by-step explanation:

The equation of two parallel lines is such that they have the same slope, when in written in slope intercept form.

Consider one straight line: $y_{1}=mx_{1}+c_{1}$ .

Then the line parallel to the above line will be: $y_{2}=mx_{2}+c_{2}$

The equation of a straight line provided is:

$y=-\frac{1}{3}x-5$

Then the line parallel to this line will be of the form:

$y=-\frac{1}{3}x\pm c$

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The recursive formula for given sequence is: $a_n = a_{n-1}-7$

And the terms will be expressed as:

$a_1 = 11\\a_2 = a_{2-1} - 7 \\a_2= a_1 - 7\\a_2 = 11- 7\\a_2 = 4\\a_3 = a_{3-1} - 7 \\a_3= a_2 - 7\\a_3 = 4 - 7\\a_3 = -3\\a_4 = a_{4-1} - 7 \\a_4= a_3 - 7\\ a_4= -3 - 7\\a_4 = -10\\a_5 = a_{5-1} - 7 \\a_5= a_4 - 7\\a_5 = -10 - 7\\a_5 = -17\\$

Step-by-step explanation:

First of all, we have to determine if the given sequence is arithmetic sequence or geometric. For that purpose, we calculate the common difference and common ratio

Given sequence is:

11,4,-3,-10,-17...

Here

$a_1 = 11\\a_2 = 4\\a_3 = -3\\So,\\d = a_2 - a_1 = 4-11 = -7\\d = a_3-a_2 = -3-4 = -7$

As the common difference is same, given sequence is an arithmetic sequence.

A recursive formula is a formula that is used to generate the next term of the sequence using the previous term and common difference

So, the recursive formula for an arithmetic sequence is given by:

$a_n = a_{n-1} +d\\Putting\ d = -7\\a_n = a_{n-1}-7$

Hence,

The recursive formula for given sequence is: $a_n = a_{n-1}-7$

And the terms will be expressed as:

Keywords: arithmetic sequence, common difference

Learn more about arithmetic sequence at:

#LearnwithBrainly

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Write the number in standard form.<br><br> 7×10^7

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7×10^7 = 70000000 (10^7 = 10000000)

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4 years ago

Read 2 more answers

Which of these equations represents a line parallel to the graph of the equatioNy=-1/3x-5​

Which of these equations represents a line parallel to the graph of the equatioNy=-1/3x-5