draw the line with the given slope and y-intercept
m=2 b= -4

Question

draw the line with the given slope and y-intercept
m=2 b= -4

user917 · Answer

we know y=ax+b

user917 · Answer

a is the slope and b is y-intercept

user917 · Answer

so what will be now the equation of the line?

anonymous · Answer

@user917  
y=2x+(-4)

user917 · Answer

Excellent! Its y=2x-4

anonymous · Answer

Oh okay I see. It's minus and not addition?
Whats the next step?

user917 · Answer

its addition (y=ax+b) but +(-4)=-4

anonymous · Answer

oh okay i see

user917 · Answer

There is no next step, you drew the line, this is the answer = y=2x-4

anonymous · Answer

How would i show that on a graph?

anonymous · Answer

|dw:1379285537313:dw| like this ? @user917

user917 · Answer

yes cool that is great! you take 2 arbitrary points x and you calculate its y.. in this case for x-0 y=-4 and for x=2 y=0, you put this two point on the graph like you did and then you draw a line passing through these 2 points. Great Job :)

anonymous · Answer

@user917 
Sweet! Alright, thank you so much! :)