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

c

step-by-step explanation:

at least i think its

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have