Please help me ( it's about finding linear equations on a graph)

y = 2x

Step-by-step explanation:

We have,

m is the slope and c the y intercept.

the intercept made on the y-axis is 0

therefore c = 0

now, we need to get to the value of m

for this we take any two points that lie on the line.

looking at the graph I see one such point is (0,0) while the other being (1, 2).

for two points A(x, y) and B(p, q):-

here the two points A and B are (0, 0) and (1, 2)

therefore,

therefore, m = 2

now, we'll simply put the values in their place

y =2x + 0

we get the equation for the given line

y = 2x

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.