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Yuri [45]
3 years ago
13

How do you find the slope of a line? (Change in Y / Change in X)

Mathematics
1 answer:
sukhopar [10]3 years ago
8 0
In order to find the slope of a line, u must use the slope formula. Which is (y2-y1/x2-x1). For example if you had a set of coordinates that are (6,4) and (2,8) you would first sub the 8 from4 which gives you 4. The u do the same with 2 and 6 which gives u 4. After that you divide 4 by 4. and your answer is 1
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we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y=kx

where

k is the constant of proportionality

Verify each table

table a

Let

x ----> distance

y ----> sound level

For each ordered pair calculate the value of k

k=y/x

so

(5,85) -----> k=85/5=17

(10,79) ----> k=79/10=7.9

the values of k are differents

that means

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table b

let

x ----> volume

y ----> cost

k=y/x

(16,1.49) ----> k=1.49/16=0.093125

(20,1.59) ----> k=1.59/20=0.0795

the values of k are differents

that means

the table nor represent a proportional relationship

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1 year ago
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Gemiola [76]

Answer:

Yes, Joan is correct

Explanation

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timurjin [86]
This is hard to solve when we don't know the visual graph this question is trying to refer from
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Read 2 more answers
What is the slope of a parallel to the graph?
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Answer:

3

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