What is the equation of the following line written in slope-intercept form?

y = 5x
y = -5x
y = 5/x

https://ignitiumwa.ignitiaschools.com/media/g_alg01_2014/3/78b.gif

Question

What is the equation of the following line written in slope-intercept form?


y = 5x
y = -5x
y = 5/x
  

https://ignitiumwa.ignitiaschools.com/media/g_alg01_2014/3/78b.gif

anonymous · Answer

slope intercept form is $$y=mx+b$$

nnesha · Answer

use slope formula

paki · Answer

you know what is slope intercept form...?

nnesha · Answer

they gave you two point now use that

anonymous · Answer

I know the slope intercept form, just not sure if it was different for this graph...

nnesha · Answer

y-intercept sure 0 because zero is only point where line touch y - axis

paki · Answer

no it's same... ask from professor nnesha... she is here... :)

anonymous · Answer

Lol ok :P

anonymous · Answer

I chose c, would that be correct? (my brain has kind of shut off today, osrry...:/)

nnesha · Answer

5/x ???? 5 dividing by x

nnesha · Answer

y = mx + b
m is always multiplying by x not dividing 
kit kat chocolate :) :)

anonymous · Answer

wwait, -5x, right?

nnesha · Answer

your line is increasing or decreasing ????

anonymous · Answer

I think it is decreasing....

nnesha · Answer

nope |dw:1417662294158:dw|going up

anonymous · Answer

It is? Hold on let me look real quick..

anonymous · Answer

How can you tell, Nnesha :P

nnesha · Answer

let me check little quick|dw:1417662372725:dw|
seem like increasing

anonymous · Answer

Yeah, now i see. Thanks, @Nnesha :3

nnesha · Answer

yep so what is your answer

anonymous · Answer

It would be y=5x, since it is increasing, right? :P

nnesha · Answer

ok so if you not sure about it here is another way plug your x and y values into the equation

nnesha · Answer

|dw:1417662562436:dw|
both side equal yep!!!!!!!!!!!1