who wanna help me plot these x+yor equal to 0 yor equal to 0

Question

who wanna help me plot these x+yor equal to 0 y>or equal to 0

welshfella · Answer

for the first one plot the graph of x + y = 12
can you do  that?

welshfella · Answer

it is easy 
note that when x = 0 y =12
and when y = 0 x = 12

so plot the point (0,12) and (12,0) and join them up  It well be a straight line.

welshfella · Answer

the for x + y <= 12 shade the area below the line

anonymous · Answer

sorry i still dont understand its suppose to $$y=\le2x+3$$

anonymous · Answer

but is the plot 0,12

welshfella · Answer

i described is the plot of x + y <= 12

anonymous · Answer

no $$y=\le2x+3$$

welshfella · Answer

plot the line 2x + 3 first
plot 3 points - they should be in a straight line  if youhave done them correctly
one point would be  when x = 0:-
y = 2(0) + 3 = 3
so this point will be (0,3)

plot 2 more

anonymous · Answer

what about this one $$y \le2x+3$$

welshfella · Answer

this one will be the areas below the the line y = 2x + 3 - shade it in.

welshfella · Answer

it will look something like this:-

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anonymous · Answer

lol ok but what's the plot it's hard for me to make plots without numbres on the graph

welshfella · Answer

well you cant plot points accurately without numbers on the graph.  Haven't you got graph paper?

anonymous · Answer

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